Corals Just a few things about corals :) 4.0 / 5 based on 2 ratings ? GeologyA2/A-levelOCR Created by: HannahCreated on: 14-11-12 16:16 Phylum of corals Cnidaria 1 of 15 Class of corals Anthozoa 2 of 15 What are the stinging cells called? Nematoblasts 3 of 15 Polyp soft bodied organism which secretes a CaCO3 skeleton 4 of 15 Corallum the whole skeleton of a solitary or colonial coral 5 of 15 Solitary and Compound corals solitary = one polyp Compound = many polyps, corrallites fused 6 of 15 Corallite the skeleton produced by one polyp 7 of 15 Calice bowl shaped depression where polyp lives 8 of 15 collumella axil rod which supports the septa running up the centre of some corals 9 of 15 tabula horrizontal plates divided the corallite skeleton 10 of 15 dissepiments curved plates connected to septa and tabulae 11 of 15 septa verticle plates, radially diving the coralte skeleton. These may be major or minor and give the skeleton strength 12 of 15 Bilateral symmetry rugose corals 13 of 15 scleractinian corals Hexagonal symmetry 14 of 15 tabulate symmetry Radial 15 of 15
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