UNIT 3. THE ANIMAL KINGDOM
THE VERTEBRATES
The main characteristic is that they have a spine or backbone.
There are five groups of vertebrates: mammals, birds, reptiles, amphibians and fish. Here you can learn about all of them and play some games.
MAMMALS
- Reproduction: viviparous. The give birth to life young and feed their babies with milk. The only exception are the monotremes (platypus and echidna)
- Breathing: with their lungs
- Food: they can be carnivores, hebivores or omnivores.
- Physical appearance: they have for limbs (for legs or flippers) and they are covered in hair or fur.
- Habitat: they can live on land or in water.
- Blood: they are warm-blooded.
MONOTREMES: they are mammals but they lay eggs. Then, they feed their babies with milk. They are the platypus and the echidna.
BIRDS
- Reproduction: oviparous. Adults incubate the eggs, they keep the eggs warm until they hatch. Some bird feed their babies when they are born.
- Breathing: with their lungs.
- Food: some birds are herbivores, others are carnivores and others are omnivores. You just have to look at their beaks to know.
- Physical appearance: they have wings and feathers. Males have brighter colours than females.
- Habitat: most birds can fly, some like the penguin, ostrich or kiwi can't.
- They are warm blooded.
AMAZING BIRD OF PARADISE AND ITS COURTSHIP DANCE
REPTILES
- Reproduction: oviparous. They lay the eggs on land.
- Breathing: with their lungs.
- Food: most of them are carnivores. Some of them are omnivores and they eat meat, plants and fruits.
- Physical appearance: they have scales on their body. Most of them have four legs, some don't have legs.
- Habitat: most of them live on land, some of them live in water part of their time.
- They are cold-blooded.
FISH
- Reproduction: most of them are oviparous. They lay the eggs in water. Sharks are viviparous, they give birth to life young.
- Breathing: with their gills.
- Food: they can be carnivores, herbivores or omnivores.
- Physical appearance: they have scales on their body. They have fins and a tail.
- Habitat: they live in water.
- They are cold-blooded.
AMPHIBIANS
- Reproduction: they are oviparous. They lay the eggs in water.
- Breathing: when they are babies they breathe with their gills. As adults they breathe with their lungs and through their skin.
- Food: most of them are carnivores.
- Physical appearance: they have moist skin. Frogs have strong back legs and webbed fingers.
- Habitat: they live in water and on land.
METAMORPHOSIS
PLAY MORE GAMES ABOUT ANIMALS
What do they eat?
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