One of the special characters shown by coelenterates only is the occurrence of
A
Hermaphroditism
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B
Flame cells
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C
Polymorphism
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D
Nematocysts
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Solution
The correct option is C Nematocysts
Phylum Coelenterata is also called Cnidaria. The name Cnidaria is derived from the cnidoblasts or cnidocytes (which contain the stinging capsules or nematocytes) present on the tentacles and the body. These cells are used for food catching food, defensive and offensive purposes.