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Question

What is the function of the earthworm's clitellum?


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Solution

Clitellum:

  1. In earthworms and leeches, the clitellum is a swollen glandular portion of the body that is not segmented as the rest of the body.
  2. It is helpful in secreting a viscid sac into which eggs are stored.
  3. From the anterior end of the body, the fourteenth and seventeenth segments are contributed to form the clitellum structure.

Functions of clitellum:

  1. It is considered to be the earthworm's reproductive system.
  2. It also secretes a viscous fluid that is used to create a cocoon for its eggs.

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