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Evolutionary changes in arthropods

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Discuss one way in which each of the mantle, the foot and the shell have diverged in the oyster, terrestrial slug and squid since these taxa shared a common ancestor. For each change that you mention, briefly indicate how this change reflects the different lifestyles of the oyster, slug and cephalopod.

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This solution discusses ways in which each of the mantle, the foot and the shell have diverged in the oyster, terrestrial slug and squid since these taxa shared a common ancestor.

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