An ecosystem is best described as
A) a system that is composed of nonliving or inorganic matter.
B) a system composed of living organisms.
C) a group of living organisms and the abiotic spheres with which they interact.
D) all living organisms in the atmosphere, hydrosphere, and lithosphere.
E) a group of living plants and the soil types that is present.

Question

Quizplus · Accepted Answer

An ecosystem is defined as a community of living organisms interacting with each other and their environment. This includes both biotic (living) and abiotic (nonliving) components, such as soil, water, air, and sunlight. Therefore, option C is the most accurate description of an ecosystem.

An Ecosystem Is Best Described as