Bats and birds are both capable of flight, but their wings have different bone structures. Which statement best supports the relationship between bat and bird wings?

Question

BlackTom AI · Accepted Answer

The question asks about the relationship between bat and bird wings and which statement best supports that relationship.
First, note that the provided data has no answer options to evaluate against, and only a single proposed answer is given in the 'answer' field: 'They are analogous structures because bats and birds have different ancestors, but both evolved wings for flight.'
Analyzing the concept: analogous structures are features that serve the same function (flight, in this case) but did not arise from a common ancestral structure. Instead, they arose through convergent evolution in separate lineages. This is exactly the situation for bat wings (mammals) and bird wings (aves): both are used for flight, but their bone arrangements, developmental origins, and overall limb architecture are different due to their distinct evolutionary paths.
Consequently, stating that bat and bird wings are analogous structures correctly reflects the evolutionary relationship: flight has a similar functional outcome, but the structures did not derive from a common wing ancestor. The emphasis on different ancestors and a shared function aligns with the definition of analogy and convergent evolution.
Since no other answer options are supplied in the data, I cannot assess alternatives. If additional choices were present, they would need to be evaluated for whether they correctly identify homology (shared ancestry with potentially different functions) versus analogy (convergent similarity in function), or whether they misstate the relationship (e.g., implying direct common ancestry for wings as structures when the lineages diverged long ago).
In sum, the statement provided captures the core idea: wings in bats and birds are analogous due to convergent evolution toward flight despite different ancestral origins.

SCI-BIO B Semester B Exam

Bats and birds are both capable of flight, but their wings have different bone structures. Which statement best supports the relationship between bat and bird wings?

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