ZoologyAn important ecological function carried out by Pheretima is

An important ecological function carried out by Pheretima is

A
stratification
B
decomposition
C
biofortification
D
eutrophication

Solution:

Detritivores like earthworm break down detritus (decaying leaves and organic matter mixed with soil) into smaller particles. This process is called fragmentation, which is an important step in the process of decomposition.