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Fig 7.
THE ORIGIN OF VERTEBRATES HOW DO FISHES SURVIVE IN HOT AND COLD WATERS? I have decided to talk about the methods that fishes use to regulate body temperature. So, this week I will focus on cold-blooded fishes (ectotherms or poikilotherms) and the next one, on the totally or partially warm-blooded (endotherms). INTRODUCTION According to physiologist, thermal relationships between animals and their environment might be of different types: Endotherms: in this FEEDING ADAPTATIONS IN INSECTS Over millions of years, insects have got adapted to countless ecological changes. On previous articles, we talked about flying adaptations in insects and how flying made them more diverse.In this new article, we explain you the origin and evolutionary changes of insects’ mouthparts and therefore of feeding diversification throughout their evolutionary history. ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about THE FIG AND ITS REPRODUCTION HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. FARM FISHING: THE SOLUTION TO OVERFISHING? THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
THE ORIGIN OF VERTEBRATES HOW DO FISHES SURVIVE IN HOT AND COLD WATERS? I have decided to talk about the methods that fishes use to regulate body temperature. So, this week I will focus on cold-blooded fishes (ectotherms or poikilotherms) and the next one, on the totally or partially warm-blooded (endotherms). INTRODUCTION According to physiologist, thermal relationships between animals and their environment might be of different types: Endotherms: in this FEEDING ADAPTATIONS IN INSECTS Over millions of years, insects have got adapted to countless ecological changes. On previous articles, we talked about flying adaptations in insects and how flying made them more diverse.In this new article, we explain you the origin and evolutionary changes of insects’ mouthparts and therefore of feeding diversification throughout their evolutionary history. ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about THE FIG AND ITS REPRODUCTION HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. FARM FISHING: THE SOLUTION TO OVERFISHING? THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there EVOLUTION FOR BEGINNERS Bacteria, algae, sharks, crocodiles, etc., have remained very similar over millions of years. Evolution is a process that started acting when life first appeared and continues to act in all organisms, including us, although we have changed the way in which natural selection works (medical and technological breakthroughs, etc.). CLASSIFICATION AND PHYLOGENY FOR BEGINNERS Systematics is the science of the classification and reconstruction of phylogeny, it means that is responsible for reconstructing the origin and diversification of a taxon (unit that we want to classify, such as a species, a family or an order). On the other hand, taxonomy is the study of the principles of scientific classification, the order FEEDING ADAPTATIONS IN INSECTS Over millions of years, insects have got adapted to countless ecological changes. On previous articles, we talked about flying adaptations in insects and how flying made them more diverse.In this new article, we explain you the origin and evolutionary changes of insects’ mouthparts and therefore of feeding diversification throughout their evolutionary history. THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about THE FIG AND ITS REPRODUCTION Has anyone ever seen a fig flower? Surely even if you really look for it, you will not find any of them. In fact, neither Linnaeus, the great Swedish botanist, could discover the enigma of fig flowers and when he described the species and gave him a scientific name (Ficus carica L.), he said the fig had no flowers!But then how does the fig reproduce himself and origins its delicious summer HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. THE IMPORTANCE OF BIOETHICS When we talk about genetics, inevitably we can have ethics doubts. Bioethics is essential in science. Genetic modified organisms (GMO), assisted reproduction techniques (ARTs), genetic counselling, rare diseases, euthanasia and palliative care, among other topics; they have importance in bioethics. However, we have to know what bioethics is before applying it.DESERT REPTILES
Generally, in a desert, it rains less than 250 mm of water a year. The scaly and impervious skin of reptiles prevents the loss of water, and their faeces contain uric acid which, compared to urea, is much less soluble in water, allowing them to retain more liquids. Most desert reptiles extract the water they need from their food and some drink ANIMAL GENITALIA: BIRDS AND FISH It is a family of fish (Phallostethidae) that present the copulatory organ under the head. They mate face to face with the female, a thing almost unique in animals that live underwater. With the priapium they are anchored to the female and fertilize the eggs internally for a THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
CLASSIFICATION AND PHYLOGENY FOR BEGINNERS HOW DO FISHES SURVIVE IN HOT AND COLD WATERS? I have decided to talk about the methods that fishes use to regulate body temperature. So, this week I will focus on cold-blooded fishes (ectotherms or poikilotherms) and the next one, on the totally or partially warm-blooded (endotherms). INTRODUCTION According to physiologist, thermal relationships between animals and their environment might be of different types: Endotherms: in this THE ORIGIN OF VERTEBRATES ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about THE FIG AND ITS REPRODUCTION HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. FARM FISHING: THE SOLUTION TO OVERFISHING? TSUNAMI ENVIRONMENTAL EFFECTS GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
CLASSIFICATION AND PHYLOGENY FOR BEGINNERS HOW DO FISHES SURVIVE IN HOT AND COLD WATERS? I have decided to talk about the methods that fishes use to regulate body temperature. So, this week I will focus on cold-blooded fishes (ectotherms or poikilotherms) and the next one, on the totally or partially warm-blooded (endotherms). INTRODUCTION According to physiologist, thermal relationships between animals and their environment might be of different types: Endotherms: in this THE ORIGIN OF VERTEBRATES ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about THE FIG AND ITS REPRODUCTION HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. FARM FISHING: THE SOLUTION TO OVERFISHING? TSUNAMI ENVIRONMENTAL EFFECTS EVOLUTION FOR BEGINNERS Bacteria, algae, sharks, crocodiles, etc., have remained very similar over millions of years. Evolution is a process that started acting when life first appeared and continues to act in all organisms, including us, although we have changed the way in which natural selection works (medical and technological breakthroughs, etc.). THE FIG AND ITS REPRODUCTION Has anyone ever seen a fig flower? Surely even if you really look for it, you will not find any of them. In fact, neither Linnaeus, the great Swedish botanist, could discover the enigma of fig flowers and when he described the species and gave him a scientific name (Ficus carica L.), he said the fig had no flowers!But then how does the fig reproduce himself and origins its delicious summer THE WORLD FROM THE EYES OF A SNAKE The world from the eyes of a snake. Imagine you are a snake. You’re crawling along the path, with a long slithering body behind you. You have no ears and, even if your eyes are large and well-developed, you cannot blink. You’re constantly flicking your tongue, which informs you about everything that has happened around you, especially about HAVING NO LEGS DOESN’T MAKE YOU A SNAKE The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanic aperture. THE IMPORTANCE OF BIOETHICS When we talk about genetics, inevitably we can have ethics doubts. Bioethics is essential in science. Genetic modified organisms (GMO), assisted reproduction techniques (ARTs), genetic counselling, rare diseases, euthanasia and palliative care, among other topics; they have importance in bioethics. However, we have to know what bioethics is before applying it. THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last upDESERT REPTILES
Generally, in a desert, it rains less than 250 mm of water a year. The scaly and impervious skin of reptiles prevents the loss of water, and their faeces contain uric acid which, compared to urea, is much less soluble in water, allowing them to retain more liquids. Most desert reptiles extract the water they need from their food and some drink ANIMAL GENITALIA: BIRDS AND FISH It is a family of fish (Phallostethidae) that present the copulatory organ under the head. They mate face to face with the female, a thing almost unique in animals that live underwater. With the priapium they are anchored to the female and fertilize the eggs internally for a TSUNAMI ENVIRONMENTAL EFFECTS A tsunami is a natural phenomenon consisting of a series of waves generated by a vertical displacement of the sea surface on a massive scale, caused by an earthquake, underwater volcanic eruption, landslide or other abrupt disturbance. Tsunamis have particularly long wavelengths (100-700 km), travel at high speeds (500-960 km/h) overgreat
THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
MERTENSIAN MIMICRY
The automimicry (also known as intraspecific mimicry) is a special case of mimicry that takes place when an organism transforms some part of its body in order to seems like another part of its own body or even of the body of another member of its species (e.g. a male that mimics a trait from females). The objectives of this type of mimicryare
TUBULAR EYE
The publication of this week is a voyage to the bottom of the deep sea; where there are life in forms we aren’t generally used to. This post will be divided in two parts: in the first part we are talking about the adaptations and in the second part about some examples ofthe biodiversity.
ENTOMOPHAGY ADVANTAGES INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of OPÒSSUM | ALL YOU NEED IS BIOLOGY The male tortoises have a simple penis that is folded in two in the cloaca, inside the tail, reason why the tail of the males is thicker and longer than the females’. During the erection, it fills with fluid, deploys and exits, reaching a comparatively larger size. Mediterranean tortoise penis (Testudo hermanni). Source. THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last up INTRASPECIFIC RELATIONS THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there FARM FISHING: THE SOLUTION TO OVERFISHING? GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
MERTENSIAN MIMICRY
The automimicry (also known as intraspecific mimicry) is a special case of mimicry that takes place when an organism transforms some part of its body in order to seems like another part of its own body or even of the body of another member of its species (e.g. a male that mimics a trait from females). The objectives of this type of mimicryare
TUBULAR EYE
The publication of this week is a voyage to the bottom of the deep sea; where there are life in forms we aren’t generally used to. This post will be divided in two parts: in the first part we are talking about the adaptations and in the second part about some examples ofthe biodiversity.
ENTOMOPHAGY ADVANTAGES INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of OPÒSSUM | ALL YOU NEED IS BIOLOGY The male tortoises have a simple penis that is folded in two in the cloaca, inside the tail, reason why the tail of the males is thicker and longer than the females’. During the erection, it fills with fluid, deploys and exits, reaching a comparatively larger size. Mediterranean tortoise penis (Testudo hermanni). Source. THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last up INTRASPECIFIC RELATIONS THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there FARM FISHING: THE SOLUTION TO OVERFISHING? INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of HOW ANIMALS SEE THE WORLD? Side vision (peripheral): allows each eye to send a different signals to the brain, so it is easier to notice their surroundings having a field of view of about 360 degrees. It is typical of herbivores, which must pay attention to the presence of potential predators . Visual field of a cat and a horse.HOW DO INSECTS FEED
The adoption of a liquid-based diet by some insects, as the one seen in butterflies, involved a great adaptive advantage for these organisms during the expansion and diversification of flowering plants. Moreover, this gave room to the start of a coevolutive process THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last upEXPLOSIVE BREEDING
Explosive breeders are usually found in dry habitats, where water availability is scarce most of the year. After some heavy rains, males congregate in the recently-formed water zones and form the choirs, singing for one or two nights. In these species females arrivesimultaneously.
HERMAPHRODITE INSECTS It is the most common type of reproduction among arthropods and insects. 1. Amphygony. In amphygony, two types of gametes are generated, which lead to the formation of the embryo once they fuse. Most of amphygonic insects are unisexual or dioecious, ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS After the first post on the genitals of birds and fish, we close chapter on the curiosities of the penises, vaginas and other reproductive organs of amphibians, reptiles and mammals. GENITALS IN AMPHIBIANS As we saw in a previous post, the cloaca is the hole where the digestive, reproductive and excretory systems converge. Allamphibians
OPHIDIAN | ALL YOU NEED IS BIOLOGY Description. The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanicaperture.
ANIMAL GENITALIA: BIRDS AND FISH It is a family of fish (Phallostethidae) that present the copulatory organ under the head. They mate face to face with the female, a thing almost unique in animals that live underwater. With the priapium they are anchored to the female and fertilize the eggs internally for a TSUNAMI ENVIRONMENTAL EFFECTS A tsunami is a natural phenomenon consisting of a series of waves generated by a vertical displacement of the sea surface on a massive scale, caused by an earthquake, underwater volcanic eruption, landslide or other abrupt disturbance. Tsunamis have particularly long wavelengths (100-700 km), travel at high speeds (500-960 km/h) overgreat
GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
MERTENSIAN MIMICRY
The automimicry (also known as intraspecific mimicry) is a special case of mimicry that takes place when an organism transforms some part of its body in order to seems like another part of its own body or even of the body of another member of its species (e.g. a male that mimics a trait from females). The objectives of this type of mimicryare
TUBULAR EYE
The publication of this week is a voyage to the bottom of the deep sea; where there are life in forms we aren’t generally used to. This post will be divided in two parts: in the first part we are talking about the adaptations and in the second part about some examples ofthe biodiversity.
ENTOMOPHAGY ADVANTAGES INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of OPÒSSUM | ALL YOU NEED IS BIOLOGY The male tortoises have a simple penis that is folded in two in the cloaca, inside the tail, reason why the tail of the males is thicker and longer than the females’. During the erection, it fills with fluid, deploys and exits, reaching a comparatively larger size. Mediterranean tortoise penis (Testudo hermanni). Source. THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last up INTRASPECIFIC RELATIONS THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there FARM FISHING: THE SOLUTION TO OVERFISHING? GIANT INSECTS ARE IMPOSSIBLE Diffusion of gases is effective over small distances but not over larger ones. So, giant insects would face serious problems to oxygenate their tissues if they reach big sizes. In addition, current atmospheric concentration of oxygen (21%) wouldn’t be enough to oxygenate such a big organism with such a simple breathing mechanism.Fig 7.
MERTENSIAN MIMICRY
The automimicry (also known as intraspecific mimicry) is a special case of mimicry that takes place when an organism transforms some part of its body in order to seems like another part of its own body or even of the body of another member of its species (e.g. a male that mimics a trait from females). The objectives of this type of mimicryare
TUBULAR EYE
The publication of this week is a voyage to the bottom of the deep sea; where there are life in forms we aren’t generally used to. This post will be divided in two parts: in the first part we are talking about the adaptations and in the second part about some examples ofthe biodiversity.
ENTOMOPHAGY ADVANTAGES INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of OPÒSSUM | ALL YOU NEED IS BIOLOGY The male tortoises have a simple penis that is folded in two in the cloaca, inside the tail, reason why the tail of the males is thicker and longer than the females’. During the erection, it fills with fluid, deploys and exits, reaching a comparatively larger size. Mediterranean tortoise penis (Testudo hermanni). Source. THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last up INTRASPECIFIC RELATIONS THE 5 MOST THREATENED SPECIES BY TRADITIONAL CHINESE Traditional Chinese medicine has boomed in recent years, thanks to increased purchasing power, especially Chinese Asian middle class. This ancient medicine is based on the concept of vital energy, that invades every corner of the body and organs, and can be acquired through ingested substances, as are parts of various animals. Despite numerous studies, there FARM FISHING: THE SOLUTION TO OVERFISHING? INSECTS FEEL THROUGH THEIR ANTENNAE Insects perceive their surroundings through different organs, among which antennae are some of the most important. Antennae appear in a lot of incredibly diverse shapes and sizes, and every group of insects develops one or more models. We encourage you to know more about their origin, functions and diversity through this post. The origin of HOW ANIMALS SEE THE WORLD? Side vision (peripheral): allows each eye to send a different signals to the brain, so it is easier to notice their surroundings having a field of view of about 360 degrees. It is typical of herbivores, which must pay attention to the presence of potential predators . Visual field of a cat and a horse.HOW DO INSECTS FEED
The adoption of a liquid-based diet by some insects, as the one seen in butterflies, involved a great adaptive advantage for these organisms during the expansion and diversification of flowering plants. Moreover, this gave room to the start of a coevolutive process THE COURTSHIP IN FISHES It is known that seahorses are monogamous species, which means that a male mates with a single female, being reciprocal also for the female. The courtship in these curious fish includes caresses, hugs and changes of colour. Even an authentic dance that can last upEXPLOSIVE BREEDING
Explosive breeders are usually found in dry habitats, where water availability is scarce most of the year. After some heavy rains, males congregate in the recently-formed water zones and form the choirs, singing for one or two nights. In these species females arrivesimultaneously.
HERMAPHRODITE INSECTS It is the most common type of reproduction among arthropods and insects. 1. Amphygony. In amphygony, two types of gametes are generated, which lead to the formation of the embryo once they fuse. Most of amphygonic insects are unisexual or dioecious, ANIMAL GENITALIA: AMPHIBIANS, REPTILES AND MAMMALS After the first post on the genitals of birds and fish, we close chapter on the curiosities of the penises, vaginas and other reproductive organs of amphibians, reptiles and mammals. GENITALS IN AMPHIBIANS As we saw in a previous post, the cloaca is the hole where the digestive, reproductive and excretory systems converge. Allamphibians
OPHIDIAN | ALL YOU NEED IS BIOLOGY Description. The slow worm is a small lizard with no visible legs, which can grow to 40 centimetres in length. It presents shiny, smooth scales and a small head with a poorly differentiated neck. Unlike snakes, it has movable eyelids, a forked tong and a small tympanicaperture.
ANIMAL GENITALIA: BIRDS AND FISH It is a family of fish (Phallostethidae) that present the copulatory organ under the head. They mate face to face with the female, a thing almost unique in animals that live underwater. With the priapium they are anchored to the female and fertilize the eggs internally for a TSUNAMI ENVIRONMENTAL EFFECTS A tsunami is a natural phenomenon consisting of a series of waves generated by a vertical displacement of the sea surface on a massive scale, caused by an earthquake, underwater volcanic eruption, landslide or other abrupt disturbance. Tsunamis have particularly long wavelengths (100-700 km), travel at high speeds (500-960 km/h) overgreat
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MARC ARENAS CAMPS ha dit: 21/10/2015 a les 23:53Buenas noches,
Tienes que entrar dentro del artículo concreto y van a aparecer los botones de las redes sociales para compartir. Otra opción es copiar ycompartir la URL.
Si tienes cualquier duda o no lo consigues, vuelve a escribirnos.Un saludo!
Respon
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LEONAL ha dit:
22/10/2015 a les 0:01 Muchas gracias por su rápida respuesta, pero en los artículos (en concreto los de Evolución Humana que he probado) no aparecen los botones de las redes sociales para compartir.Saludos
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LEONAL ha dit:
22/10/2015 a les 0:19 Ya lo encontré, aunque es un poco enrevesado. Hay que entrar en “comentarios” del artículo y en la nueva página que aparece este sí hay botones para compartir en las redes sociales. Muchísimas gracias.*
MARC ARENAS CAMPS ha dit: 22/10/2015 a les 0:48 Muchas gracias por compartirlos. Y muchas gracias también por comentárnoslo. Vamos a trabajar para solucionarlo. Un saludo!*
PILAR ha dit:
18/02/2016 a les 20:29 Hola queremos hacer un Trabajo de recerca relacionado con el tardígrado, queremos contactar con vosotros, cuál es vuestro correo?Respon
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MARC ARENAS CAMPS ha dit: 20/02/2016 a les 12:24 Buenos días Pilar. Puedes contactar con nosotros a través de allyouneedisbiology@gmail.comRespon
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Retroenllaç: ¿Per a què serveix un ratpenat? | All you need isBiology
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Retroenllaç: ¿Para qué sirve un murciélago? | All you need isBiology
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Retroenllaç: What is a bat for? | All you need is Biology*
EULÀLIA GASSÓ ha dit: 21/11/2016 a les 11:15 Enhorabona pel blog! En faré ressò, amb el vostre permís. Salutacions cordials des d’Holanda.Respon
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MARC ARENAS CAMPS ha dit: 21/11/2016 a les 17:43 Hola Eulàlia! Moltes gràcies per les teves paraules! La veritat és que ho fem amb molta estima tot això… I tant que pots fer difusió del nostre blog. T’ho agrairem molt, la veritat! Salutacions des de Vic!Respon
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Retroenllaç: Coneix als micromamífers | All you need is Biology*
Retroenllaç: Conoce a los micromamíferos | All you need is Biology*
Retroenllaç: Meet the micromammals | All you need is Biology*
LLUÍS BARBERÀ I GUILLEMha dit:
05/12/2016 a les 23:17 Hola. Acabe de trobar, després de fer un llistat de les primeres qüestions que més m’espentaven, que en entre els set camps que més m’agraden estan, en primer lloc la biologia, la medicina i la botànica i, també, l’ecologia. Però com que no sóc una persona versada en cap d’eixos camps i considere molt important la didàctica, t’agraïria que em facilitares orientació sobre webs, blocs, publicacions, diccionaris… amb un llenguatge senzill i accessible, fins i tot, per a una persona adulta sense estudis primaris però interessada per aprendre. N’estic buscant en Internet.Gràcies.
Una abraçada.
Respon
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MARC ARENAS CAMPS ha dit: 08/12/2016 a les 18:29Bona tarda Lluís,
En primer lloc agrair que ens hagis escrit per tal de resoldre els teus dubtes. A continuació t’oferim els recursos que creiem sónmés interessants.
Com no pot ser d’una altra manera, en primer lloc volem recomanar-te el nostre propi blog. Aquí trobaràs informació molt variada sobre el camp de la biologia. Altres blogs que nosaltres també considerem interessants sobre el camp són: Blog Nasua (https://blognasua.wordpress.com), Crónicas de un Amonite (https://cronicasdeunamonite.wordpress.com/) i El Bichólogo (http://www.elbichologo.com/). Per altra banda, a la següent pàgina web trobaràs una gran quantitat de guies de camp en PDF: http://serecologicos.blogspot.com.es/2014/07/guias-de-campo-en-pdf.html Aquests són els recursos que, d’entrada, m’han passat pel cap. Comentar-te que actualment nosaltres estem preparant molts canvis al nostre blog, un dels quals comportarà la creació d’una secció específica de recursos. És per aquest motiu que, per tal d’estar al dia de la nostra activitat, et recomanem que ens segueixis al Facebook (https://www.facebook.com/allyouneedisbiology/), a Twitter (https://twitter.com/AYNIBiology) i al nostre propi blog (hi trobaràs un botó per a subscriure’t per mail a les nostres publicacions). Espero que amb tot això tinguis prou material per a començar. Si necessites més informació, no dubtis en tornar a contactar amb nosaltres i, si podem, t’ajudarem.Bona tarda,
Marc
Respon
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FRANSISKUS NIKOLAUS LAKEBELEK TELUMA ha dit: 01/11/2017 a les 23:13 hola buenas. una consulta, como puedo citar el artículo?Gracias
Respon
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MARC ARENAS CAMPS ha dit: 01/11/2017 a les 23:19 Hola buenas. Podrías indicarme qué artículo, por favor? GraciasRespon
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PETREL41 ha dit:
22/02/2018 a les 20:25 Congratulations,Marc! I have nominated your blog for the Real Neat Blog Award. More about this nomination is at https://dearkitty1.wordpress.com/2018/02/22/real-neat-blog-award-thank-you-crystal/Respon
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JOE SOZORANGA ha dit: 13/05/2018 a les 22:44 Muy buenas. ¿Cómo puedo citar vuestra página?Respon
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MARC ARENAS CAMPS ha dit: 13/05/2018 a les 22:47 Buenas Joe! Te agradeceríamos que nos citaras como All you need is Biology y enlazaras con la página de inicio. Y si se tratara de un artículo enlazando el artículo. Muchas gracias!Respon
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JOE SOZORANGA ha dit: 13/05/2018 a les 22:52 Gracias por la rápida contestación. ¿Podrías decirme la fecha de publicación del blog, por favor?Respon
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MARC ARENAS CAMPS ha dit: 13/05/2018 a les 22:53 El primer artículo del blog fue en 2013. En junio cumplimos 5 años!Respon
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JOE SOZORANGA ha dit: 13/05/2018 a les 23:05 Felicidades¡. Gracias por la ayuda y mucha suerte en todoRespon
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MARC ARENAS CAMPS ha dit: 13/05/2018 a les 23:05 muchas gracias a ti, Joe!Respon
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DAVID JARAMILLO ha
dit:
02/09/2018 a les 10:50 Excelente blog, sigan asi muchachosRespon
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MARC ARENAS CAMPS ha dit: 02/09/2018 a les 5:54 Muchas gracias David por tus palabras de ánimoRespon
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SABER MAS ha dit:
24/10/2018 a les 9:17 Buenos dias, os ha dicho alguien que vuestro sito web puede ser adictivo ? estoy preocupada, desde que os recibo no puedo parar de mirar todas vuestras sugerencias y estoy muy feliz cuando recibo uno más, sois lo mejor en español, me encata vuestra presentación y el curre que hay detrás. Un beso y abrazos, MUCHAS GRACIAS POR VUESTRO TRABAJO, nos alegrais la vida.Saludos
Respon
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MARC ARENAS CAMPS ha dit: 03/11/2018 a les 10:40 Uaaaaaaau! Muchísimas gracias. Creo que nunca nos han dicho algo así de bonito Gracias a la gente como tu seguimos trabajando para divulgar las maravillas de este planeta en el que vivimosRespon
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FRANCO ha dit:
13/03/2019 a les 17:34 Una pregunta ¿quien escribió el articulo sobre Farm Fishing? Y Cuando se publicó?Respon
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MARC ARENAS CAMPS ha dit: 13/03/2019 a les 17:51 Lo escribí yo mismo en febrero de 2017. ¿Por qué?Respon
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ELISA ARROYAVE ha dit: 17/08/2019 a les 17:23 Hola, tienen un contenido muy interesante pero no hay forma decitarlo?
Respon
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MARC ARENAS CAMPS ha dit: 29/09/2019 a les 20:41 Buenas noches Elisa y disculpa por el retraso en la respuesta. Puedes citarnos de la siguiente manera: Apellido, A. A. (Fecha). Título de la página. Lugar de publicación: Nombre de la página web. dirección de donde se extrajo el documento(URL).
Gracias!:)
Respon
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ARMANDO ha dit:
23/10/2019 a les 17:41 Acabo de descubriros, que disfrute¡¡¡ Gracias.Respon
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MARC ARENAS CAMPS ha dit: 23/10/2019 a les 17:55 Muchas gracias Armando!Respon
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DAVID PERCHEZ GALVÁN ha dit: 17/03/2020 a les 19:33MUY BUENA
Respon
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