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Carbon Cycle
By: Hortencia Avila, Uriel Lopez, Jeremy Glick
Fourth most abundant element in universe
 Building block of all living things
 Main Pathway– in and out of living matter

Carbon Cycle
Carbon Cycle- Circulation of carbon
through ecosystems
Carbon- A non-metallic element found in
coal, petroleum and natural gas. Major
component of life.
Soil Respiration- Carbohydrates are
oxidized and returned to the air by soil
microorganisms that decompose dead
animals
Key Terms
Atmosphere- layer of gasses
Fossil Fuels- Carbon-rich fuel from ancient
animals and plants
Photosynthesis- Energy (sun)+ Water+
Carbon dioxide Carbohydrates+ Oxygen
Cellular Respiration- Glucose+ Oxygen
CO2+ H20+ Energy (ATP)
Decomposition- breakdown of matter by
bacteria and fungi
Key Terms Continued
All living organisms contain carbon
 CO2 is found in all living organisms
 Plants use carbon dioxide and water to
form simple sugars (photosynthesis)

Biological Importance of Carbon
Carbon
 Carbon
 Carbon
dioxide

is needed for life
dioxide is a greenhouse gas
is necessary for life, but carbon
can be harmful
Ecological Importance of Carbon
0.032% in the lithosphere
 2 petagrams

Amount of Carbon
Smallest amount of carbon
 Approximately 750 petagrams

Carbon in the atmosphere

540- 610 gigatons
Biosphere

38,00-40,00 metric tons
hydrosphere




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http://www.uwsp.edu/geo/faculty/ritter/geog101/textbook/earth_
system/biogeochemical_cycles.html
http://www.actewagl.com/education/Glossary/default.aspx?letter
Search=C
http://www.eoearth.org/article/Carbon_cycle
http://www.infoplease.com/ce6/sci/A0857177.html
http://www.oznet.ksu.edu/ctec/Carbon/carboncycle.htm
http://www.waterencyclopedia.com/Bi-Ca/Carbon-Dioxide-in-theOcean-and-Atmosphere.html
Sources