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3 Cards in this Set
- Front
- Back
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Five key transitions in the evolution of a body plan
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Tissues, Symmetry, Body cavity, Development, and Segmentation
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Radial symmetry
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a body design which the parts of the body are arranged around a central axis such a way that any plane passing through the central axis divides the organism into halves that are approximate mirror images
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Bilateral symmetry
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a body design in which the body has a right and a left half that are mirror images of each other
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