worms only green plants only plants and animals only all the organisms in the ecosystem
I am hesitating between 4 options to answer the following question, which option should I choose?
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?
Possibilities:
- worms only
- green plants only
- plants and animals only
- all the organisms in the ecosystem

all the organisms in the ecosystem