Ways of movements varied in mammals although all these mammals are structured with similar .............

The beaks of water birds are .................

The number of posterior fingers in the leg of the hawk is ..........

The claws at the fingers of predatory birds are used for ..................

.......... is (are) from the environmental changes that lead to adaptation.

The bat is considered from ........ that fly.

The peak of a hoopoe is ..................

Predatory plants are ......... green plants.

The example of living organism that undergoes hibernation is the .................

All of the following are among the characteristics of the desert environment except the ..............

Chameleon can colour itself with the ......... colour of the environment.