Question

The least inclusive level of ecological organization that includes interactions among living and non-living factors is

• A. A community
• B. A population
• C. A species
• D. A biosphere
• E. An ecosystem

Answer 1

The correct option is E An ecosystem

A. A community is a group of populations of different species in a given area.

B. Population is a group of individual organisms of the same species in a given area.

C. Species is a group of individuals which resemble each other in morphological, physiological, biochemical and behavioral characters.

D. The planet Earth along with its atmosphere (air, land, and water) that sustain life is called biosphere.

E. An ecosystem is stable, a settled unit of nature consisting of a community of organisms interacting with each other and with their surrounding physical and chemical environment.

Hence the ecological organization that includes interactions among living and non-living factors is an ecosystem.

So, the correct answer is 'An ecosystem'.