Question 50
SoilThe earthworm is important because
- A.its body is always moist
- B.each of its segments has chaetae
- C.it has a clitellum
- D.it aerates the soil
- E.it reproduces fast
Show the answer and explanation
Answer: D (it aerates the soil)
Explanation
Earthworms burrow through the soil, letting air and water in and mixing in humus.