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Unformatted text preview: Chapter 31 study guide Radial Symmetry? Found in? Bilateral symmetry Cephalization Why is bilateral evolutionarily favored? Acoelamate? Found in? has cells called? Pseodocoelamate ? found in? Coelamate? Found in? Hydrostatic skeletons Segmentation? Appendages are? Why are they important? Some animals rely on endosymbionts for food. Sessile? Motile? Feeding strategies: 1. 2. 3. 4. 5. What are filter feeders? Motile? Sessile? Choanocytes Herbivores? Predators? Cnidarians have special stinging cells called what? Parasites? Endoparasites? Ex? Excoparasites? Ex? Life cycle? Direct development? Larva is? Dispersal stage? Trochophore? Trade offs? Ex? Bilateria? Eumatozoans? Specules? Ctenophores Mesoglea? Tenes? Cnidarians Gastrovascular cavity Chapter 31 study guide Cnidarian life cycle: Sessile polyp: Motile medusa Scyphozoans Anthozoans Hydrozoans?...
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- Spring '10
- Cnidaria, Cnidarians Gastrovascular cavity, Ctenophores Mesoglea