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Terms in this set (12)
The Carbon Cycle
How carbon moves through Earth's systems:
1. Organic compounds in dead organisms
2. Organic compounds in consumers (eg cows)
3. Organic compounds in fossil fuels
4. Organic compounds in green plant
5.Carbon Dioxide in the air and dissolved in water particularly oceans
What is carbon ?
main constituent from all living cells
what is only thing that removes carbon dioxide from the atmosphere?
what is respiration and formula?
both plants and animals use respiration to get energy:
Glucose + oxygen -->Carbon dioxide + water + energy
(animal) respiration puts carbon dioxide back into the atmosphere
what is photosynthesis and formula?
plants uses photosynthesis to get energy from sun:
Carbon dioxide + water --> glucose + oxygen
(plant) photosynthesis removes carbon dioxide from atmosphere (hence importance of rain forests)
what uses photosynthesis
plants to make fats, proteins and carbohydrates
what is combustion and formula ?
(burning) releases heat energy:
Carbon compound + oxygen --> carbon dioxide + water
Decay and decomposition
1. the breakdown of plant and animal remains.
2. Carbon dioxide released as microbes
3. Decomposed plants/animals could be eaten by microorganisms
4. Can end up as fossil fuels, and when this is burned it releases carbon.
a fuel (such as coal, oil, or natural gas) that is formed in the earth from dead plants or animals.
warming of Earth's surface and atmosphere caused by heat trapping gases. Without this the earth would be too cold for life to exist.
Sources of carbon dioxide in the atmosphere
Burning fossil fuels and other carbon containing materials, respiration and decomposition
very small living things e.g. fungi/bacteria
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