CARBON CYCLE
CARBON CYCLE
CARBON CYCLE
CARBON CYCLE
»CARBON CYCLE: Carbon is cycled between the atmosphere, land, water & organisms
CARBON CYCLE
CARBON: “C” is an essential component of fats, proteins & carbohydrates
CARBON CYCLE
CO2: Carbon Dioxide(has 2 double bonds)
CARBON CYCLE
» CO2 is used by plants in photosynthesis to produce carbohydrates & O2
» CO2 is released when organisms retrieve the energy stored in carbohydrates during cellular respiration
CARBON CYCLE
Photosynthesis
CARBON CYCLE
Cellular Respiration
CARBON CYCLE
» CARBONATE: Some carbon becomes bones & shells which do not break down easily. These eventually become limestone
CARBON CYCLE
» LIMESTONE: 1 of the largest carbon sinks
CARBON CYCLE
»CARBON SINK: Reservoir for C. Other examples: rainforest & ocean
CARBON CYCLE
CARBON CYCLE
»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