VERTEBRATES
They drink milk from their mother. They have fur or hair. They can live on land or in water. Some can fly.
Mammals
They have their body divided into head, thorax and abdomen.
Arhropods
They have scales and fins. They are oviparous. They live in water.
Fish
These arthropods have got six legs.
Insects
They have wet skin. They are oviparous.
Amphibians
These arthropods have got eight legs.
They have got scales. Some have legs and others don't have legs. They can live on land or in water. Some can slither.
Reptiles
They have a soft and muscular body. Some examples are octopus and snail.
Molluscs
They have feathers. Some of them can fly and others can't fly, such as penguins.
Birds
They have a long and soft body. The earthworm is an example.
Worm