Multiple Choice
Which of the following statements is false?
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52. Ecosystems
Biogeochemical Cycles
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Which of the following biogeochemical cycles is crucial to living organisms?
A
Nitrogen cycle
B
Water cycle
C
Carbon cycle
D
Rock cycle
Verified step by step guidance1
Identify the biogeochemical cycles listed in the problem: Nitrogen cycle, Water cycle, Carbon cycle, and Rock cycle.
Understand the role of each cycle in the ecosystem: The Nitrogen cycle is essential for the synthesis of amino acids and nucleic acids. The Water cycle is crucial for maintaining life by regulating climate and providing water to organisms. The Carbon cycle is vital for the flow of energy through ecosystems as it involves the exchange of carbon among the biosphere, geosphere, hydrosphere, and atmosphere. The Rock cycle is a geological process and not directly involved in biological processes.
Focus on the Carbon cycle: It is crucial because it involves the movement of carbon, a fundamental building block of life, through the atmosphere, oceans, soil, and living organisms.
Consider the importance of carbon in biological molecules: Carbon is a key component of carbohydrates, proteins, lipids, and nucleic acids, which are essential for life.
Conclude that the Carbon cycle is crucial to living organisms because it facilitates the transfer of carbon necessary for the formation of organic molecules and energy flow in ecosystems.
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