Question 31
Animal KingdomWhich of these worms is beneficial to man?
- A.Hookworm
- B.Tapeworm
- C.Roundworm
- D.Earthworm
- E.Guinea worm
Show the answer and explanation
Answer: D (Earthworm)
Explanation
Earthworms improve the soil by mixing it, aerating it and adding humus. The others are parasites of man.