Class 9 Biology Diversity In Living Organisms Coelenterata

Coelenterata (cnidaria)

The animals living in water belong to this group.

The organisms belonging to this group possesses more body design differentiation.

They also have cavity in their body.

The body of these organisms has 2 layers of cells.

  • One type of layer makes up cells on the outside of the body.
  • The second type of layer composes the inner lining of the body.

The organisms of this group live either in colonies (corals) or have a solitary like–span (Hydra).

Examples of animals belonging to this group are Jellyfish and sea anemones

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