Answer: A. An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic living, parts, as well as abiotic factors, or nonliving parts. 1. All living and nonliving things in an area make up an ecosystem. 2.Sorry I am unsure what you are asking. 3. They are abiotic factors. 1. The sun. A. Plants use the sun to make their food. (which is made out of glucose and starch.) b. I am unsure of the answer. I am sorry.
Explanation- Have a good day.