Write about the bones of forelimb.

Assertion : Whales, bats, cheetah and human share similarities in the pattern of bones of forelimb. Reason : All of them have humerus, radius, ulna, carpals, metacarpals and phalanges.

Which one is a bone of forelimb?

Match the following bones of forelimbs

Write about drug cocaine.

Which of the following is correct? (a.)Macropus- Ear pinna, body hair, 4 chambered heart (b.)Pavo-Long bones filled with bone marrow, forelimbs modified to wings. (c.) Ichthyophis- Eyes lack eyelids, scales present on skin (d.)Limulus-Chitinous exoskeleton, respiration through coxal glands

Flippers of Panguin and Dolphin are considered analogous through they are modifed forelimbs because