Question

Animals having tissue level of organisation are classified on the basis of body cavity. Explain

Answer 1

Animals having tissue level of organisation are classified on the basis of body cavity known as Coelom.

Explanation:

On the basis of Coelom, animals are divided into three categories: -

• Acoelomates: - Animals which do not have body cavity i.e coelom is absent. Example is flatworms.

• Pseudocoelomates: - Animals with false coelom. Example is Roundworms.

• Eucoelomates: - Animals with true body cavity i.e coelom is present. Examples are Annelids, Arthropods, Mollusks, Echinoderms and Chordates.

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