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What is a homologous structure?

A. A structure with similar shape but a different use
B. A structure that is only in index fossils
C. A structure that only exists in the embryo
D. A structure that has no use in the organism

User Duanne
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2 Answers

3 votes

A. A structure with similar shape but a different use

User Boyd
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9 votes
the answer is letter A
User Mahish
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