The typhlosole in earthworm is related with

Assertion : Typhlosole increases the effective area of absorption in the intestine.
Reason : Typhlosole,present in the intestine,is the characteristic feature of cockroach.

$Pheretima$ $posthuma$ is very useful as:

The colour of the body in earthworm is brown due to the presence of

Ducts leading from the testes of a rabbit are called:

How does an earthworm move?