Answer :
Final answer:
An ecosystem includes living organisms and non-living components that interact to maintain balance.
Explanation:
An ecosystem consists of all the living organisms in a particular area together with the abiotic, non-living parts of that environment. It includes interactions between living and non-living components to maintain balance. For example, a forest ecosystem encompasses trees, animals, soil, water, and sunlight.
Learn more about Ecosystem here:
https://brainly.com/question/34849448
D I believe, all the living organisms, plus the nonliving environment interacting in a pond