Earthworm has

Why earthworms has got the names of ''farmer's friends' and bioglogical indicators of soil fertility ?

Identify the correct statements from the below about "Respiratory system of earthworm". (I) The earthworm has no special respiratory organs like lungs or gills. (II) Respiration takes place through the body wall. (III) Oxygen diffuses through, the skin into the blood. (IV) The skin is kept moist by mucous and coelomic fluid.

Earthworm is a

Earthworms is :-

Earthworm are :

Assertion: Earthworm is hermaphrodite. Reason: Because in earthworm both sexes are separate.

Assertion: Earthworm is hermaphrodite. Reason: Because in earthworm both sexes are separate.

Earthworm are

Earthworm are