Question

In an ecosystem of abiotic components which of the following occur?

• A. Flow of energy
• B. Cycling of materials
• C. Consumers
• D. Flow of energy and cycling of materials

Answer 1

The correct option is B Cycling of materials

In an ecosystem plants produces their own food by utilising solar energy, water and carbon dioxide, which is then transfer to the successive trophic levels. Some of the minerals are locked in living systems as constituents of protoplasm. These minerals are returned to environment through the decomposition of death and decay of organisms.Thus, the correct answer is option B.