Question

Which is the most accurate description of an ecosystem?

A. An ecosystem consists of a biological community-- the physical and chemical factors--that make up its abiotic environment.

B. An ecosystem consists of the biological community that occurs in some locale.

C. An ecosystem consists of the biological community that occurs in some locale and the chemical factors that make up its biotic or abiotic environment.

Answer 1

Its C because there are both abiotic and biotic factors in an environment. An ecosystem consists of interactions between the physical environment and organisms. 

Answer 2

C. An ecosystem consists of the biological community that occurs in some locale and the chemical factors that make up its biotic or abiotic environment.