The nutrient cycles are also called:
Correct answer: A. Biogeochemical cycles
- A. Biogeochemical cycles
- B. Bioelement cycles
- C. Biochemical cycles
- D. Geochemical cycles
Explanation
Explanation:The nutrient cycles are primarily referred to as "Biogeochemical cycles" because they involve the cycling of nutrients such as carbon, nitrogen, phosphorus, and other elements through biological, geological, and chemical processes in the environment.This option is incorrect because the term "Bioelement" is not commonly used to refer to nutrients or chemical elements in the context of nutrient cycling.This option is also incorrect because biochemical reactions do occur in nutrient cycling, the term does not accurately describe the cycling of nutrients through ecosystems.This option is also incorrect because nutrient cycling does involve geological processes, it also involves biological and chemical processes that are not included in the term "Geochemical cycles"
This question appeared on the UHS MDCAT 2009 paper, which you can sit online with every answer explained.
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An ecosystem consists of organisms interacting with one another and with abiotic factors such as light, water, soil and temperature. The topic covers populations and communities, food chains and webs, trophic levels, ecological pyramids, energy flow, nutrient cycles and ecological succession.
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