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3 Cards in this Set
- Front
- Back
what 2 groups were they once thought to be a "link" between? |
annelids and arthropods |
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what do they have in common with each group? |
segmented like annelids, but have appendages like arthropods. Unlike arthropods, appendages unjointed |
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what group are they most closely related to? |
arthropods |