A branching phylogenetic tree shows a single ancestral bird species at the base diversifying into 7 distinct contemporary species, each possessing unique beak shapes and ecological roles. What evolutionary pattern does this most strongly indicate?

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Biology · Evolution

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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Correct answer

Adaptive radiation due to niche specialization

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Answer 1

Random mutation without the role of natural selection

Answer 2

Adaptive radiation due to niche specialization

Answer 3

Stabilizing selection eliminating extreme variants

Answer 4

Genetic drift in a small population

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