Question

scientists notice structural similarities between fossils of a land animal and an aquatic organism. they know the similarities are not a result of the two organisms having to adapt to similar environments. what can they attribute the structural similarities to?
○ convergent evolution
○ common ancestry
○ transitional evolution
○ similar mating habits

Explanation:

• Convergent evolution involves similar adaptations due to similar environments, but the problem states the similarities are not from environmental adaptation, so this is incorrect.
• Common ancestry explains structural similarities when organisms share a past ancestor, which fits as the similarity isn't from environmental adaptation.
• Transitional evolution is not a standard term for explaining such structural similarities.
• Similar mating habits don't explain structural similarities between a land animal and aquatic organism.

Answer:

B. common ancestry