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Why can deciding evolutionary relationships only by external similarity be misleading?

Answer and explanation

Correct answer: Because organs of different origin may look similar due to similar function

External resemblance can result from convergent evolution, in which unrelated or distantly related organisms independently acquire similar features because they face similar environmental pressures or perform similar functions. Consequently, appearance alone may suggest a relationship that is not supported by internal structure, development, or molecular evidence. Option A is correct; B and D are nonsensical, while C incorrectly treats every similarity as proof of common ancestry.

Related tags

ClassificationEvolutionConvergent EvolutionHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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