Multiple choice

Which of the following organisms locomote(s) by contraction of longitudinal and circular muscles?

  1. Leech and earthworm

  2. Amoeba

  3. Starfish

  4. Hydra

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Leech and earthworm perform crawling or looping movement with the help of contraction and relaxation of circular and longitudinal muscles.