Science Enhanced S&S Biology - Virginia Department of ...

• Sessile forms are polyp and free-floating called medusa. ... (except Cephalopoda) with hemolymph (general body fluid). Blood bathes the organs, no vessels • Complicated digestive system, with a mouth in the head and the anus emptying into. the mantle cavity (look out below!) ... • A head, thorax, and abdomen. • Compound eyes. • A ... ................
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