If the septa of an anthozoan are removed, which of the following would result? B. the inability to generate muscular force A. the inability to fill the gastrovascular cavity D. a reduction of gastrovascular cavity surface area C. a poorly supported pharynx
Q56 Select all that apply
Anthozoa is a class of marine invertebrates which includes the sea anemones, stony corals and soft corals. Anthozoa is included within the phylum Cnidaria, which also includes the jellyfish, box jellies and parasitic Myxozoa and Polypodiozoa.
In these forms, the gastrovascular cavity is large. It is divided by walls or septa, which arise as folds from the body wall. These folds, along with the mouth and pharynx, are usually arranged in a biradially symmetric pattern.
If the septa of an anthozoan are removed, a reduction of gastrovascular cavity surface area will occur. The gastrovascular cavity is the primary organ of digestion and circulation, therefore these processes will be affected by the removal of septa.
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