Some commonly used earth worm species
A. Eisenia fetida
B. Perionix excavatus
C. both (a) and (b) are correct
D. neither (a) nor (b) is correct
Answer:C
Some commonly used earth worm species
A. Eisenia fetida B. Perionix excavatus C. both (a) and (b) are correct D. neither (a) nor (b) is correct