Animals are divided into two main groups: vertebrates and invertebrates. Vertebrates have backbones and are further divided into five groups - mammals, birds, reptiles, amphibians, and fish. Invertebrates do not have backbones. The document then provides details about the characteristics of each vertebrate group.

1. C las s ification of Anim als

2. In v e r t e b r a t e s
Animals without a backbone.

3. Classification of
Animals
Scientists divided the Animal
Kingdom into two main groups:
vertebrates and invertebrates
(animals with a (animals without a
backbone) backbone)

4. Vertebrates
Animals with backbones can be divided into
five more groups:
Mammals Birds Reptiles
Amphibians Fish

5. Ve rte b ra te s
Animals with a backbone.

6. 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.

7. 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.

8. Reptiles
• Are cold-blooded.
• Lay eggs.
• Have a dry skin
covered with
scales.

9. 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.

10. 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