Multiple Choice
Which of the following is a key part of the carbon cycle?
52. Ecosystems
Introduction to Ecosystems
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The phosphorus cycle lacks a(n) __________ component.
A
organic
B
mineral
C
aquatic
D
organic and gaseous
E
atmospheric
Verified step by step guidance1
Understand the phosphorus cycle: The phosphorus cycle is a biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.
Identify the components of the phosphorus cycle: The cycle involves the weathering of rocks, absorption by plants, consumption by animals, and return to the environment through decomposition.
Recognize the absence of an atmospheric component: Unlike cycles such as the carbon or nitrogen cycles, the phosphorus cycle does not include a gaseous phase where phosphorus is exchanged between the atmosphere and the earth.
Consider the options provided: Evaluate each option to determine which component is missing from the phosphorus cycle. The options are organic, mineral, aquatic, organic and gaseous.
Conclude that the atmospheric component is missing: The phosphorus cycle lacks an atmospheric component, meaning phosphorus does not cycle through the atmosphere as a gas.
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