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What do homologous organs indicate about evolution?

Answer and explanation

Correct answer: Possibility of common ancestry

Homologous organs have the same basic structural plan because they were inherited from a common ancestral stock, although their functions may have become different in different organisms. For example, the forelimbs of humans, whales and bats contain corresponding bones but serve different purposes. This pattern is evidence of divergent evolution and possible common ancestry. Therefore A is correct, while D describes function alone and is incomplete.

Related tags

Homologous OrgansCommon AncestryDivergent EvolutionEvolution And SpeciationHeredity And EvolutionScienceClass 10 Mcq

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