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Structures are called homologous ifMultiple choice question.there are no similarities in the structures.the similarities between them reflect common ancestry.the structures have the same function but different evolutionary origins.

Question

Structures are called homologous ifMultiple choice question.there are no similarities in the structures.the similarities between them reflect common ancestry.the structures have the same function but different evolutionary origins.

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Solution

The correct answer is: the similarities between them reflect common ancestry.

Homologous structures are those that have a similar structure and are found in different species, indicating a common ancestry. These structures may not necessarily perform the same function. For example, the human arm and the wing of a bird are homologous structures. They have different functions but share a common structural theme that points to descent from a common ancestor.

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