Animals are living things that can move
and eat food. Humans are also animals.
• Cows give milk.
• Chickens lay eggs.
• Bees provide honey.
• Sheep provides wool.
On the basis of this classification, animals are divided into two groups. The animals with a backbone are called vertebrates, and the animals without a backbone are invertebrates.
Animals whose body temperature does not change with the environment are called warm-blooded animals. For example, mammals and birds.
The animals whose body temperature changes with the environment are called cold-blooded animals. For example, reptiles, amphibians and fish.
