Animals differ from one another on the basis of their body structures. Almost all of them have a head, eyes and limbs. Different animals have different number of legs. Cows, cats, horses, etc. have four legs while birds have two legs. Animals like snakes and earthworms have no legs. Insects have six legs and centipede has many legs. Fishes have fins to move.
Different kinds of animals and body structures
The video describes body parts of different animals.
Some of the learners also asked: How do different animals use their tails for different purposes?