Question

______ is a self-regulating and self-sustaining unit of the biosphere.

Options

• Ecosystem

• Food cycle

• Biome

• Ecology

Answer 1

Ecosystem is a self-regulating and self-sustaining unit of the biosphere.

Explanation:

An ecosystem is a self-regulating and self-sustaining unit of the biosphere. It consists of living organisms (plants, animals, microbes) interacting with each other and their physical environment (air, water, soil). Ecosystems are capable of maintaining balance and supporting life by recycling nutrients and energy within the system.