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The distinction between protostomes and deuterostomes is based on differences in their A. digestive tracts. B. circulatory systems. C. nervous systems. D. embryological development.
D. embryological development. The distinction between protostomes and deuterostomes is based on differences in their embryological development.
Expert answered|andrewpallarca|Points 24237|
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Asked 8/3/2013 12:58:52 PM
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