» CARBON CYCLE: Carbon is cycled between the atmosphere, land, water & organisms.

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Presentation transcript:

» CARBON CYCLE: Carbon is cycled between the atmosphere, land, water & organisms

CARBON: “C” is an essential component of fats, proteins & carbohydrates

CO 2 : Carbon Dioxide (has 2 double bonds)

» CO 2 is used by plants in photosynthesis to produce carbohydrates & O 2 » CO 2 is released when organisms retrieve the energy stored in carbohydrates during cellular respiration

Photosynthesis

Cellular Respiration

» CARBONATE: Some carbon becomes bones & shells which do not break down easily. These eventually become limestone

» LIMESTONE: 1 of the largest carbon sinks

» CARBON SINK: Reservoir for C. Other examples: rainforest & ocean

» ORGANIC CARBON: (fats, oils & carbohydrates) are released into the soil after organism dies. These form deposits of coal, oil & natural gas & after millions of years & pressurization…are also called FOSSIL FUEL