Animals that live mostly on trees:

Animals that feed on the dead and decaying organic matter:

Animals that are close to disappearing from the Earth

Animals that have disappeared from the Earth

Thick layer of fat under the skin of some polar animals is called:

The periodic movement of groups of animals from one region to another for feeding or breeding.

An animal that lives by killing and eating other animals.

The resting state in which some animals pass the winter:

Animals like grasshoppers, tigers and frogs can blend well with their surroundings. This is known as: