Question

Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of

(a) Analogous organs

(b) Adaptive radiation

(c) Homologous organs

(d) Convergent evolution

Answer 1

(c) Homologous organs

Explanation:

Organs which have a common fundamental anatomical plan and similar embryonic origin whatever varied functions they may perform are regarded as homologous organs. For examples the flippers of a whale, a bat's wing, fore-limb of a horse, a bird's wing and forelimbs of human are structurally as well as functionally different.