4.3 [Pt 1] Cycles of Matter

The Cycles of Matter

4.3 [Pt 1]

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All living organisms are composed of compounds that act as building blocks of living

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Some needed in large amounts :

Oxygen

Carbon

Nitrogen

Phosphorus

Potassium

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Matter is never created or

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- Matter flows from one trophic level to another and elements are recycled within and among ecosystems

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Biogeochemical cycles powered by the flow of

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Open Ended

Give the name of and an example of each type of process:

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Water is transfered from the biosphere to the atmosphere by evaporating from the leaves of plants via

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- inland precipitation that flows along the surface until it enters a river or stream to take it to an ocean or lake

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- water absorbed into the soil Enters plant through roots OR Flow into rivers, streams, lakes, or oceans