Question

Earthworm is called farmer's friend because it make soil porous

Answer 1

Earthworms are considered as ‘Friends of Farmers’.

The reason being, that they penetrate into the soil and loosen it, thereby increasing water holding capacity in the soil.

They consume animals and plants waste and release organic matter called excreta.

Excreta increases soil fertility.

 They also help in decomposing animal and plant wastes.