Multiple choice

Pseudocoelom is the characteristic of which of the following?

  1. Annelida

  2. Mollusca

  3. Echinodermata

  4. Nematoda
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pseudocoelom is a fluid-filled body cavity that lies inside the external body wall of the nematode that bathes all the internal organs, including the alimentary system and the reproductive system.

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