The functioning of ecosystem depends on
A. Energy flow
B. Nutrient cycles
C. Biogeochemical cycles
D. Tidal energy
Choose the most appropriate answer from the options given below:

Correct option is D

The correct answer is: (d), A. B and C only
Energy flow: Energy flow is a fundamental aspect of ecosystem functioning. It involves the transfer of energy from one trophic level to another through feeding relationships. Energy flow drives various ecological processes such as primary production, respiration, and growth.
Nutrient cycles: Nutrient cycles, also known as biogeochemical cycles, are essential for ecosystem functioning. These cycles involve the movement and recycling of essential nutrients such as carbon, nitrogen, phosphorus, and sulfur between living organisms, the atmosphere, soil, and water. Nutrient cycling ensures the availability of nutrients for primary production and other biological processes.
Biogeochemical cycles: As mentioned above, biogeochemical cycles are critical for ecosystem functioning. They regulate the distribution and availability of nutrients and other chemical elements, influencing the productivity and dynamics of ecosystems.
Information booster
Tidal energy: While tidal energy is a form of renewable energy derived from the gravitational forces of the moon and the sun, it is not directly related to ecosystem functioning. Tidal energy may have localized effects on coastal ecosystems but does not play a fundamental role in ecosystem processes at a larger scale.
The functioning of an ecosystem refers to the processes and interactions that occur within it, allowing the ecosystem to sustain life and maintain its balance. These processes are essential for the health and productivity of the ecosystem.