Question

Write about the economic importance of earthworms.

Answer 1

Earthworm:

Earthworms are segmented worms, they are terrestrial invertebrates belonging to the phylum Annelida.

Economic importance:

1. They help loosen up the soil and aerate it as they burrow deep.
2. This aids in the proper aeration of the roots of the plants, making them grow deeper and grow well.
3. They are used present in vermiculture to produce quality manure.
4. They are used as baits for fish catching.
5. They interchange the topsoil with the layer just below, increasing soil fertility.
6. The excreta of earthworms is rich in the nitrogenous matter and is required for plant growth