The term biological community can be defined as the set of factors that consists of abiotic factors as well as biotic factors. The interaction between the two factors defines the biological community.
The abiotic factors like trees, rock, soil interacts with the biotic factors like plants and animals. This is how the biological community works.
The answer is chemical work. A chemical work happens when a substance is chemically digested or when it is already broken down due to chemicals. An good example for this<span> is building large molecules such as proteins.Chemicals break ATP bonds to another molecule.</span>