Evolution Ques 40
40. Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of:
[2014]
(a) Analogous organs
(b) Adaptive radiation
(c) Homologous organs
(d) Convergent evolution
Show Answer
Answer : c
Hints & Solution
(c) Organs which have a common fundamental anatomical plan and similar embryonic origin, whatever varied functions they may perform, are regarded as homologous organs. For example, the flippers of a whale, a bat’s wing, fore-limb of a horse, a bird’s wing, and forelimbs of humans are structurally similar but functionally different.
BETA
