The document describes the key characteristics of different groups of vertebrates, including mammals, birds, reptiles, fish, and amphibians. Mammals typically have hair and four legs, and some have tails. Birds are covered in feathers and have two legs and wings to fly. Reptiles are scaly and many have four legs and a tail, while snakes lack legs and turtles have shells. Fish have scales, fins, and tails to swim. Amphibians have smooth skin and four legs, with salamanders also having tails.

1. VERTEBRATES

2. VERTEBRATES FISH AMPHIBIANS REPTILES BIRDS MAMMALS

3. VERTEBRATES Vertebrates have a sleleton inside them. An important part of this skeleton is the BACKBONE . Most vertebrates have a HEAD , a TRUNK , LIMBS and a TAIL.

4. MAMMALS VERTEBRATES Mammals usually have hair or fur on their bodies. Most mammals have got four legs. Many mammals have also got a tail.

5. BIRDS VERTEBRATES Birds have got feather on their bodies. They have two legs and two wings. Most birds can fly. Some birds can swim.

6. REPTILES VERTEBRATES Reptiles have got scales on their bodies. Many reptiles have got four legs and a tail. Snakes haven't got legs. And turtles have got a shell.

7. FISH VERTEBRATES Fish have got scales on their bodies. They've also got fins and a tail. They swim in water.

8. AMPHIBIANS VERTEBRATES Amphibians have got smooth skin on their bodies. Most of them have got four legs. Salamanders have also got a tail.