Cnidarins

3. A mound or ridge of living coral, coral skeletons, and calcium carbonate deposits from other organisms such as calcareous algae, mollusks, and protozoans
7. It is the typical form of the jellyfish.
8. corals produce skeletons of calcium carbonate or
11. the inner layer of cells that serves as a lining membrane of the gastrovascular cavity of Cnidarians
12. The polyp may be solitary, as in the sea anemone, or

1. a reproductive cell of an animal or plant
2. most corals are
4. a class of marine invertebrates which includes the sea anemones, stony corals and soft corals.
5. The polyp may be solitary, as in the sea anemone, or colonial, as in coral, and is sessile
6. a form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism.
9. the extracellular matrix found in cnidarians like coral or jellyfish that functions as a hydrostatic skeleton.
10. a subgroup of cnidarians containging approximately 3700 species.