Question

Biogeochemical cycle means

• A. cycling of nutrients in an ecosystem
• B. cycling of organic compounds only
• C. cycling of energy in an ecosystem only
• D. cycling of gases between plants and atmosphere only

Answer 1

The correct option is A cycling of nutrients in an ecosystem

Biogeochemical cycles also known as nutrient cycling are more or less circular paths of chemical elements which pass back and forth between organisms and the environment. We know that the ecosystem is an open system, while with reference to Earth and its environment biogeochemical cycles are considered to be an closed system.