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46.3: Biogeochemical Cycles

Last updated

Mar 6, 2021
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- 46.2E: Biological Magnification
- 46.3A: Biogeochemical Cycles

Boundless
Boundless

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Topic hierarchy

46.3A: Biogeochemical Cycles
The elemental components of organic matter are cycled through the biosphere in an interconnected process called the biogeochemical cycle.
46.3B: The Water (Hydrologic) Cycle
Water has a large effect on climate, ecosystems, and living organisms and is continuously cycled through the environment.
46.3C: The Carbon Cycle
Carbon enters the atmosphere in the form of carbon dioxide via the carbon cycle and returns to organic carbon via photosynthesis.
46.3D: The Nitrogen Cycle
Nitrogen, the most abundant gas in the atmosphore, is cycled through the biosphere via the multi-step process of nitrogen fixation, which is carried out by bacteria.
46.3E: The Phosphorus Cycle
Phosphorus, a major component of nucleic acid and phospholipids, also makes up the supportive components of our bones; it is often necessary for growth in aquatic ecosystems.
46.3E: The Sulfur Cycle
Sulfur is deposited on land as precipitation, fallout, and rock weathering, and reintroduced when organisms decompose.

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