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BIOL 1001 (090-095) Unit 3.2 Learning Quiz: Evolution of animals

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Which traits are the result of homologies in the evolution of the invertebrate animal lineages?

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Restating the question and the provided answer options: Question: Which traits are the result of homologies in the evolution of the invertebrate animal lineages? Answer options: coelom, segmentation, symmetry Analysis of each option: Option 1 - coelom: - This trait refers to a true body cavity that is lined by mesodermal tissue. In the context of animal evolution, the presence of a coelom is a fundamental structural feature that is considered homologous among many bilaterian invertebrates, reflecting a common ancestral origin for a body cavity organization. Its evolution helps separate organisms with a coelom from those wit......Login to view full explanation