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The Calcium Cycle

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by

Emma Boone

on 26 February 2013

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Transcript of The Calcium Cycle

Biological Use Of Nutrient Calcium is used in many biological process. It relates to some such as:

-soil fertility

-the ability of chickens to produce egg shells

-milk as a source of calcium for humans and animals Key Terms -Calcium carbonate: A colorless or white crystalline compound, CaCO3, occurring naturally as chalk, limestone, marble, and other forms.

-Geology: using the study of calcium, some simple chemical principles can be introduced such as the fact that calcium is intimately associated with carbon dioxide, as the solid calcium carbonate, and therefore is included with life and life forms.

-Cycles: The concept that all materials on Earth come from somewhere and must go somewhere

-Biomineralization: when organisms with shells die, their shells dissolve, or sink to the bottom and dissolve. Reservoirs of Calcium -Found in igneous rocks as calcium silicates

-Also in sedentary and metamorphic rocks as calcium carbonates Impact of Human Intervention -Humans use calcium most often as a natural tool to increase soil fertility.

-Calcium is also important for humans when it comes to strengthening their bones. Milk contains a high amount of calcium which people drink to get it from. By: Emma Boone & Zach Pecore The Calcium Cycle Step 1: Weathering
away of rocks that
contain calcium
carbonates/
silicates. Step 2: Calcium
flows into the ocean, and stays there for one million years. Step 3: Eventually
returns to the land due to precipitation. The Cycle In Summary Citation Of Sources 1)http://www.ima-na.org/calcium-carbonate

2)http://www.yale.edu/ynhti/curriculum/units/1985/7/85.07.08.x.html

3)http://link.springer.com/article/10.1023%2FA%3A1017945329951?LI=true

4)http://www.slideshare.net/mmcrivera29/calcium-cycle
Full transcript