14.forelimbs of amphibians,reptiles,birds and mammal show similarity in their bones but wings of bat and bird don't.what conclusion can be drawn from such observation regarding their ancestry?
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Forelimbs of amphibians, reptiles, birds and mammals show similarities in their bones signifies that they are homologous and modified from same ancestors but the wings of bat and birds are taken as analogous since their ancestors were different. But forelimbs of birds and bats are homologous because of their ability to fly and have experienced natural selection process.
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