Share 21,6 Nutrient Cycling in an Ecosystem
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Which one of these does not add CO2 to the atmosphere? (cooking with gas-planting trees-burning wood-riding in a bus)
planting trees
Combustion is another word for
burning
What does not produce carbon dioxide? (Burning Fossil Fuels/Animal respiration/Photosynthesis/Plants decaying)
Photosynthesis
How do living organisms return carbon to the atmosphere in the carbon cycle?
decomposition and respiration
In the carbon cycle, producers take in the gas
CO2
How does the carbon in grass become part of a lion?
The carbon ends up in the lion's food chain.
In what process is Carbon transformed into chemical energy?
photosynthesis
Why is the carbon cycle important?
It continuously reuses and recycles carbon in the ecosystem, enables energy flow throgh ecosystem, maintains the correct concentration of CO2 in atmosphere
Carbon is used by plants during
photosynthesis
one way that carbon enters the atmosphere
Vehicle emissions/Exhaust, respiration, decomposition
How are fossil fuels related to the Carbon cycle?
Dead plants filled with carbon can become fossil fuels
one way humans can affect the carbon cycle
Exhalation of carbon dioxide,
In the food web, which organisms release the carbon from dead things back into the environment?
decomposers
How are burning of fossil fuels and volcanic eruptions similar with respect to their effects on the carbon cycle?
Both add carbon to the atmosphere.
kenapa air laut terasa asin?
karena ikan keringatan dikejar nelayan
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