Animals also pollinate the flowers when pollen is stuck to the fur and it touches another flower or plant. Many birds are very helpful for farmers. Some birds will eat pests that damage the crops of a farmer.

A sheep's wool can also be woven into cloth. The wool can be made into clothes. Fur from other animals are also used as clothes. Some animals, like the blue whale gives us oil.

Animals are constantly being hunted for their furs, skin, and feathers. Many have become endangered because of this. People don't realize how important animals really are to us and nature. Some are:

Extinction
Extinction is when all the animals in a species dies out. Once they are gone, they're gone forever, just like the dinosaurs or the passenger pigeons.