write the Characteristics of cnideria.
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Characteristics of Cnidaria:
Radially Symmetrical.
Body multicellular, few tissues, some organelles.
Body contains an internal cavity and a mouth.
Two different forms exist, medusa and polyp.
Reproduction is asexual or sexual.
Has a simple net like nervous system.
Has a distinct larval stage which is planktonic.
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Explanation:
Common features of cnidarians include radially symmetrical diploblasts with true tissues and nematocysts. The presence of nematocysts indicates that all cnidarians arose from a common ancestor.
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