Classification of Animals

Invertebrates

Animals without a backbone.

Classification of Animals

Scientists divided the Animal Kingdom into two main groups:

vertebrates (animals with a

backbone)

invertebrates (animals without

a backbone)

and

Vertebrates

Animals with backbones can be divided into five more groups:

Mammals Birds Reptiles

Amphibians Fish

Vertebrates

Animals with a backbone.

MAMMALS

• Wild Land Mammals have got 4 legs. • There are sea Mammals• Mammals have got hair or fur.• Wild Land Mammals have • got big ears outside their bodies.• Mother mammal gives milk to her baby.• Mammals have got lungs. They need

air.

• Mammals have got warm blood.

Birds• They are vertebrates.• They have got wings.

They have got feathers.

• They can’t crawl. They can fly and swim.

• They live in nests.• They lay eggs.• They have got lungs.

Reptiles• Are cold-blooded.• Lay eggs.• Have a dry skin

covered with scales.

Amphibians• They can live in land and

wáter.• They have got Lungs and Gills• They have got webbed feet.• They have got moist skin.• They’ve got cold blood.• They have got 4 legs. Baby

amphibians haven’t got legs!!!• They can lay thousands of

eggs.

Fish• They can live under water.• They have got grills. • They haven’t got lungs.• They have got scales• They have got fins• They’ve got cold blood.• They can swim.• They lay millions of little

eggs!!.• They can’t close their eyes