1. also known as segmented worms, have a closed circulatory system.
2. have jointed appendage...
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Biology, 20.04.2020 19:40 Chartwig1908
1. also known as segmented worms, have a closed circulatory system.
2. have jointed appendages and an exoskeleton that must be shed to permit growth.
3. exhibit two radial body forms, the polyp and the medusa, and use stinging cells
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