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Why are homologous organs considered evidence of an evolutionary relationship?

Answer and explanation

Correct answer: Because their basic structure is similar even if functions are different

The governing concept is divergent evolution. Homologous organs have the same basic structural plan because they were inherited from a common ancestral pattern, although their functions may have become different in different organisms. For example, the forelimbs of humans, bats and whales contain corresponding bones but serve different purposes. Similar function is not required, and these organs are not restricted to insects or without genetic material. Therefore option A is correct.

Related tags

Homologous OrgansEvolution EvidenceCommon AncestorHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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