UVA BIOL 2200 Exam 3 Questions and Verified Answers | Passed | A+
Porifera : Basal Species Porifera : Have no true tissue/germ layer and just have cells Porifera : Ingest food and are filter feeders Porifera : Gas exchange and waste removal occurs by diffusion (oxygen coming in and waste going out of cell membrane) Porifera : Can self-fertilize but choose to sexually reproduce and are hermaphrodites 2 Cnidaria : Gastrovascular cavity w/ single-opening digestive system Cnidaria : Has sac w/ central digestive compartmen
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