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Question

What is phylum Cnidaria?


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Solution

Phylum Cnidaria:

  1. It is also known as Coelenterata.
  2. The organisms belonging to this phylum are diploblastic (having the body derived from only two embryonic layers).
  3. They possess radial symmetry (can be divided into two equal halves on any plane passing through the center of the axis).
  4. They have a tissue level of organization.
  5. They are characterized by the presence of nematocyst (stinging capsules) and tentacles
  6. Examples are Hydra, Sea Anemone, etc.

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