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Dictionary » C » Choanocytes ChoanocytesCollar cells on sponges-unique to the sponge-it lines the radial canal-has flagella that whip and move the water to the body cavity ![]()
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Digestive System Evolution... orgs theres 3 types of digestive systems. 1. Digestive cavity - in phyllum Porifera - intracelular digestion which realize through epithelium of choanocytes. 2. Digestive duffle - in orgs with diploblastic body plan - Cnidaria, Acnidaria (Coelenterata) - this has only one opening - mouth(thats ...
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