Question

Roundworms live wherever there is water. They have nostrils but no eyes. How are they able to move about in the water? A. They bend from side to side to move. B. They pump water through their tube feet. C. They use their jointed legs to walk. D. They use their tentacles to push the water.

Answer 1

A they bend from side to side to move not sure

Answer 2

Answer:

Option A. They bend from side to side to move.

Explanation:

Roundworm belong to phylum Nematoda. Round worm use their back and forth movement to move in water. This back forth movement results in S-shaped curves results in side to side movement. This movement is similar to the movement of snake. I have attached a picture for better understanding.