Question

Describe how the structure of an earthworm helps it to move.

Answer 1

The structure of an earthworm helps it to move in the following ways:
1. Its segments lengthen and shorten for its movement. It extends its front end and fixes its rear end, and then fixes its front end and pulls its rear end.
2. The slimy substance secreted by its body helps in its movement.
3. The bristles present in its segments help it to grip on the surface and pull its body forward.