Module 5: Embryological Similarities Review

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What are homologous structures?

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Structures in different species that share a common ancestor but have different functions.

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What is an example of analogous structures?

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Bird wings and butterfly wings, which serve similar functions but have different evolutionary origins.

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What does comparative anatomy study?

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It studies the similarities and differences in the structures of different organisms to understand evolutionary relationships.

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What is the significance of vestigial structures?

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Vestigial structures are remnants of organs or structures that had a function in an early ancestor but are no longer functional in the current organism.

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What is the fossil record?

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The fossil record is a historical sequence of life on Earth, providing evidence of evolution through the remains of organisms.

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What is comparative embryology?

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Comparative embryology examines the similarities and differences in the embryonic development of different species.

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What is the role of DNA in evolutionary evidence?

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DNA comparisons can show genetic similarities and differences among species, supporting evolutionary relationships.

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What is mimicry in evolutionary biology?

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Mimicry is when one species evolves to resemble another species for protection or other advantages.

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What is camouflage?

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Camouflage is a survival strategy where an organism blends into its environment to avoid detection by predators.

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What is the difference between homologous and analogous structures?

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Homologous structures share a common ancestry but have different functions, while analogous structures have similar functions but different evolutionary origins.