Mutualism.
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-Payshence xoxo
An enzyme attracts substrates to its active site, catalyzes the chemical reaction by which products are formed, and then allows the products to dissociate (separate from the enzyme surface).
Answer: <u>organism, population, community, ecosystem</u>
Explanation: Ecology is the part of the biology in which the study of organism and environment is done along with the relation established between them. This study also includes human,animals and physical surroundings as well. It displays the adaptation and interaction happening in the ecological environment.
The stage/steps of order is followed as organism then population of human, community of them and ecosystem stage respectively .