Question
Asked Oct 18, 2019

Do Cnidarians have a simple or complex body plan?

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Expert Answer

Step 1

Cnidarians:

These are the animals of phylum cnidaria. These are carnivores. These animals have the stinging cells and obtain their food into a central hollow cavity.

These animals live in water. Examples of some cnidarians are sea anemones, jellyfish, and corals.

Step 2

Body plan of cnidarians:

They have tissue level of organization. In this system they possess some similar cells which together forms tissues. But true organs are absent in these animals.

  1. They only have an internal cavity that is used for respiration.
  2. A gastrovascular cavity or a stomach is present with a mouth, but they lack an anus.
  3. They have radial symmetry.
  4. They have diploblastic body. As, they have a body wall formed of two layers (the endode...

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