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According to Lamarck's idea, why was the long neck of the giraffe thought to have developed?

Answer and explanation

Correct answer: Repeated stretching of the neck to reach high leaves

The governing concept is Lamarck’s theory of use and disuse and inheritance of acquired characters. Lamarck proposed that giraffes repeatedly stretched their necks to reach leaves on tall trees; increased use was believed to lengthen the neck, and this acquired change was then thought to pass to offspring. Option A states this idea. The other options do not describe Lamarck’s explanation.

Related tags

EvolutionLamarckAcquired-TraitsGiraffeHeredity And EvolutionWorld Of LivingScienceClass 10 Mcq

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