Name the habitat of earthworm and how is it useful for them?

cbse
diversityinliving

#1

Name the habitat of earthworm and how is it useful for them?
Or
Name the habitat of earthworm and how is it a useful animal?


#2

Earthworm belongs to phylum-Annelida, its scientific name is Pheretima posthuma and they are found in subsoil region. Earthworms are considered as a farmers friend because they naturally plough the soil in agricultural fields, which retains proper aeration space in the soil.


#4

how is it useful to them?
@prasanna