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What does common ancestor mean?

Answer and explanation

Correct answer: An older organism from which related organisms evolved

A common ancestor is an earlier organism or ancestral population from which two or more related groups gradually evolved. It need not look exactly like any living descendant, because populations change over many generations. Similar structural features, fossils and genetic evidence can support this inference. Therefore option A gives the correct meaning; the other options either deny that the ancestor was living or incorrectly restrict the term to present organisms or seeds.

Related tags

Common AncestorEvolutionHomologyHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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