Of the annelid classes below, which make castings that are agriculturally important?
A)Oligochaeta
B)Polychaeta
C)Hirudinea (leeches)
D)all three of these
E)two of these

Question

Quizplus · Accepted Answer

Only the class Oligochaeta, which includes earthworms, make castings that are agriculturally important. Castings are rich in nutrients and help to improve soil fertility. Polychaetes and leeches do not make castings.

Of the Annelid Classes Below, Which Make Castings That Are