Equilibrium is necessary in the various biogeochemical cycles because there are various biogeochemical cycleswhich includes carbon cycle, nitrogencycle, oxygen cycle, phosphorus cycle, and the water cycle. To maintain the ecosystem and the cycles equilibriumbecomes very essential.
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Biogeochemical cycles
Intro to biogeochemical cycles
Get an overview of how atoms are recycled through Earth's ecosystems via biogeochemical cycles.
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Key points
Energy flows through an ecosystem and is dissipated as heat, but chemical elements are recycled.
The ways in which an element—or compound such as water—moves between its various living and nonliving forms and locations in the biosphere is called a biogeochemical cycle.
Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.
Introduction
What is your body made of? Not to put too fine a point on it: atoms. Lots and lots of them. About 7,000,000,000,000,000,000,000,000,000 to be precise.^1
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start superscript, 1, end superscript Where did all of those atoms come from?
If we really walk it backwards, most of the elements that make up our bodies—and those of every other living thing!—were born in dying stars billions of years ago. That's pretty cool, but it doesn't capture the whole picture. What have the atoms of your body been doing more recently, during their time on Earth?