I believe it is either B or A, personally i'm leaning towards B, but at the same time, i don't think that we would be obtaining materials via pollination, so it then causes A to make more sense.
Fungi and bacteria are primary decomposers whereas plants and trees are producers and animals are consumers
They are closer to the earths core
Answer:
ecosystem
Explanation:
An ecosystem is the biological community of organisms that interact with each other and they share the same physical environment. Even though it is man-made, the aquarium still represents an ecosystem. The aquarium itself is the physical environment in which all the organisms in it live. Since all the fishes live together, they interact with each other in one way or another, thus creating an interactive biological community, resulting in a micro ecosystem.
