Cnidarins

3. The polyp may be solitary, as in the sea anemone, or colonial, as in coral, and is sessile
5. a reproductive cell of an animal or plant
8. the inner layer of cells that serves as a lining membrane of the gastrovascular cavity of Cnidarians
10. a subgroup of cnidarians containging approximately 3700 species.
12. most corals are

1. a form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism.
2. corals produce skeletons of calcium carbonate or
4. a class of marine invertebrates which includes the sea anemones, stony corals and soft corals.
6. It is the typical form of the jellyfish.
7. A mound or ridge of living coral, coral skeletons, and calcium carbonate deposits from other organisms such as calcareous algae, mollusks, and protozoans
9. the extracellular matrix found in cnidarians like coral or jellyfish that functions as a hydrostatic skeleton.
11. The polyp may be solitary, as in the sea anemone, or