Question

Cycling of elements in ecosystem is called
a. Chemical cycle
b. Geochemical cycle
c. Biogeochemical cycle
d. Geological cycle

Answer 1

Hint: The ecosystem is the basic functional unit of ecology which deals with the interrelation between the living and the non-living object of the environment. There are 4 elements that go in a cyclic manner in ecosystems are oxygen, carbon, nitrogen, and phosphorus.

Complete step by step answer:
Let’s discuss the above options and find the correct answer:
- Chemical cycle: The chemical cycle is the repeated circulation of chemicals between the other compound, state, and materials and returns back to their original form that takes place in space and other objects of space such as the Earth.
- Geochemical cycle: The geochemical cycle is the cyclical events of chemicals that take place between the surface and the crust of the earth. The geochemical cycle surrounds the natural separation and concentration of the elements. A great change can occur in long terms of great vastness which includes the evolution of continents and oceans.
- Biogeochemical cycle: The biogeochemical cycle is the element of the biosphere from the abiotic to the biotic component and again back to the non- living component in a cyclic manner. It is also called the nutrient cycle as it involves the cycle of nutrient elements like carbon and phosphorus.
- Geological cycle: It is the cycle of complex interactions such as tectonic movement, hydrological, and rocks. The geological features are any natural features of the earth’s surface such as lakes, oceans, etc.
Hence, the correct option is C.

Note: The biogeochemical cycle is used to make the balance of nature in which losses equal replacement and in which materials are used and reused over and over again. These exchanges occur between the organism and its physical environment.