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vertebrates. Vertebrates is an animal that has got a backbone. This means that vertebrates

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have internal skeletons. Vertebrates include mammals, birds, reptiles, fish and amphibians.

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Mammals!

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A mammal is a vertebrate whose body is covered in hide or fur.

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Mammals reproduce milk to feed their young.

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Mammals are found and land under the sea.

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the sea. Like that can even fly. Birds. A bird is a vertebrate has two legs, two wings and a body covered in feathers. Also a bird has feathers. Some birds like the ostrich cannot fly. Birds reproduce by laying eggs.

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Reptile. A reptile is a vertebrate that is covered in skulls, live on land and use lungs to breathe.

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Like fish and amphibians, reptiles are cold-blooded. Their body temperature depends on the temperature of their sun grant.

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Fish!

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A fish is a vertebrate that lives underwater.

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Fish can live under a box of special organs called gills that extract oxygen from the water.

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A fish's body is covered in scales.

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Its fins allow it to move easily through the water.

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Amphibian!

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An amphibian is a amphibian.

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It has long legs and smooth, moist skin.

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Frogs, toads and salamanders are amphibians.

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It spends the early part of its life in the water, breathing with gills.

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In later development, plants can spend the rest of its life on land.