Question

Explain the terms &lsquo;analogous organs&rsquo; and &lsquo;homologous organs&rsquo; with examples. In what way are analogous organs evidence for evolution?

Accepted Answer

Homologous organs are the organs of different animals having a similar basic structure but different functions. For example, the flippers of a whale, the forelimbs of a frog and man have the same structures but different functions.

Analogous organs are organs of similar functions but of different origins. For example, the wings of bats, insects, and, birds evolved independently after diverging from an ancestor.

The analogous organs provide evidence for evolution because some biological characteristics are analogous, which means that they serve the same function in different species, but they evolved independently rather than from the same embryological material or from the common ancestor.

Explain the terms ‘analogous organs’ and ‘homologous organs’ with examples. In what way are analogous organs evidence for evolution?

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