EVERYDAY SCIENCE

Detailed explanation-1: -Biological or biotic community is an assemblage of populations of different species of bacteria, fungi, plants and animals, which live in a particular area and interact with one another through competition, predation, mutualism etc. Each biotic community has a specific composition and structure.

Detailed explanation-2: -A community deals with the populations of living organisms and how they interact with one another in a specific area. These are considered biotic factors or living factors.

Detailed explanation-3: -Populations and communities are levels of ecological organization that contain only biotic factors (living things).

Detailed explanation-4: -Biotic community is an association of a number of different interrelated populations belonging to different species in a common environment.

Detailed explanation-5: -An ecosystem is a community of organisms and their physical environment interacting together. Environment involves both living organisms and the non-living physical conditions. These two are inseparable but inter-related. The living and physical components are linked together through nutrient cycles and energy flows.