Multiple choice

How does an earthworm fix itself to the ground?

  1. With the help of muscles

  2. With the help of slimy secretions

  3. With the help of tiny bristles

  4. With the help of bones
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The body of earth worm is soft as it does not have bones. It moves by the peristaltic action of muscles and affixes itself to the ground with the help of large number of tiny bristles. Also, its body secretes a slimy substances to help the movement.

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