Question

Living organisms interact among themselves and also with the surrounding physical environment, and form

• A. Population
• B. Ecosystem
• C. Succession
• D. Community

Answer 1

The correct option is B Ecosystem

Community
A community is a group of organisms of different species that live together in a given area. A community represents only the living or biotic components of an ecosystem.

Ecosystem
An ecosystem is nature's functional unit where the living organisms belonging to its biotic community interact with one another and also with its abiotic components, i.e, physical environment, to form a self-sustained stable system.

Population
The population is the number of organisms of a single species present in a particular geographical area at a particular time.

Succession
Ecological succession is a steady and gradual change in the composition and structure of biotic communities in an area with a changing environment. It is predictable, sequential, and in accordance with the changing physical environment.

Final answer
(B) Ecosystem