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 enviorment .

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

Explanation:

Ecosystem is sum total of biotic and abiotic factors of a geographical area. It also takes account of interaction between them. Here, all the living beings together make the biotic component of ecosystem while the physical and chemical factors makes its abiotic component. The abiotic components include temperature, soil type, rainfall pattern, light intensity etc.

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.