Monotremes
Habitat
For being such a small group of mammals, monotremes occupy a very wide range of different habitats. The platypus lives in fresh water rivers and lakes. Short- beaked Echidnas have no habitat requirement other than a large supply of ants for food and they can live anywhere from tropical rain forest to a garden. There is even enough moisture in their diet to live in the arid dessert of Australia . Long- beaked echidna's mainly live in forests and damp meadows, and they are much less tolerant of dry conditions then the short- beaked echidna.
Why are they important?
These animals are important to humans and the environment. They keep balance in the food chain. They are a very different and limited species. These animals are also highly endangered.
These animals are important to humans and the environment. They keep balance in the food chain. They are a very different and limited species. These animals are also highly endangered.
How are they unique?
Monotremes are unique because intead of giving birth and nurture their young as most mammals do, they lay eggs. Mothers have no teats. Instead of having teats the milk dribbles through her skin on her belly, which is drunk by the small, bald young.
Monotremes are unique because intead of giving birth and nurture their young as most mammals do, they lay eggs. Mothers have no teats. Instead of having teats the milk dribbles through her skin on her belly, which is drunk by the small, bald young.
How do they support their shape?
Their shapes are supported by a skeleton. The adults have few teeth. They have lower jaw bones and a mammalian ear structure. They also have bones in their limb, limb girdles, and the vertebral column. Monotremes also posses a lot of skeletal structures like its reptile ancestors.
Their shapes are supported by a skeleton. The adults have few teeth. They have lower jaw bones and a mammalian ear structure. They also have bones in their limb, limb girdles, and the vertebral column. Monotremes also posses a lot of skeletal structures like its reptile ancestors.
How do they breath?
The lungs inflate in two ways at once. The diaphragm pulls the bottom of the chest down to increase volume and reverse to shrink. Monotremes have the same respiratory system as other mammals do.
The lungs inflate in two ways at once. The diaphragm pulls the bottom of the chest down to increase volume and reverse to shrink. Monotremes have the same respiratory system as other mammals do.
Reproduction
Monotremes lay shelled eggs. Like that of reptiles and birds. These shells are leathery and hatch in about ten days, like reptile eggs. This is different than other mammals that give birth. Usually the female only lay one or two eggs at a time.
Monotremes lay shelled eggs. Like that of reptiles and birds. These shells are leathery and hatch in about ten days, like reptile eggs. This is different than other mammals that give birth. Usually the female only lay one or two eggs at a time.
Nervous System
The brains regulate breathing, heart rate, and other functions not normally under conscious control. The brain includes cerebellum, which coordinates movement. These animals also have a spinal cord. They keep the central nervous system informed of any changes in its surroundings.
The brains regulate breathing, heart rate, and other functions not normally under conscious control. The brain includes cerebellum, which coordinates movement. These animals also have a spinal cord. They keep the central nervous system informed of any changes in its surroundings.
Excritory and
Circulatory System
It is a double loop, and powered by a four-chambered heart. The liver transforms nitrogenous wastes into urea which kidneys filter from blood and combine with waste to form urine.
It is a double loop, and powered by a four-chambered heart. The liver transforms nitrogenous wastes into urea which kidneys filter from blood and combine with waste to form urine.
Digestive System
Because of the high metabolic rate, mammals have to eat nearly ten times as much food as a reptile of the same size. The digestive enzymes quickly break down meat. Carnivores have short intestines. The digestive tract is evolved to digest the what the mammal eats.
Because of the high metabolic rate, mammals have to eat nearly ten times as much food as a reptile of the same size. The digestive enzymes quickly break down meat. Carnivores have short intestines. The digestive tract is evolved to digest the what the mammal eats.
Examples
There are only three different types of monotremes. One type is the platypus; the platypus can only be found in Australia and is the only venomous mammal. Echidna is another of the monotremes found only in Australia and New Guinea . The Echidna is also known as the spiny ant eater and has a long, pink, and sticky tongue used for catching insects.
There are only three different types of monotremes. One type is the platypus; the platypus can only be found in Australia and is the only venomous mammal. Echidna is another of the monotremes found only in Australia and New Guinea . The Echidna is also known as the spiny ant eater and has a long, pink, and sticky tongue used for catching insects.
Platypus egg
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Baby Echidna
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