Which of these living things in a grassland ecosystem depend on the presence of a variety of bacteria and other microorganisms in the soil?
A B C D
worms only green plants only plants and animals only all the organisms in the ecosystem
Question: Which of these living things in a grassland ecosystem depend on the presence of a variety of bacteria and other microorganisms in the soil?
(A) worms only
(B) green plants only
(C) plants and animals only
(D) all the organisms in the ecosystem

Answer: (D) all the organisms in the ecosystem
Answer: (A) worms only
Question: Which of these living things in a grassland ecosystem depend on the presence of a variety of bacteria and other microorganisms in the soil?
(A) worms only
(B) green plants only
(C) plants and animals only
(D) all the organisms in the ecosystem
Answer: (D) all the organisms in the ecosystem