the carbon (dioxide) cycle Flashcards

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1
Q

carbon and nitrogen are both r…… in the ecosystem in a cycle

A

recycled

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2
Q

there’s a f….. amount of carbon in the world

A

fixed

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3
Q

in the carbon cycle, there’s only one way it comes from the air. What is this process called?

A

photosynthesis

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4
Q

in the carbon cycle, what product is the cycle moving around
(HINT: it’s not C)

A

C02

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5
Q

plants use the carbon from CO2 to make….

A

lipids, carbohydrates and proteins

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6
Q

it goes back in to the atmosphere by:

A
  • animal respiration
  • plant respiration
  • burning products made from plants and animals
  • burning fossil fuels (decomposed plants and animals)
    WHY?
    they have eaten carbon compounds which go back into the soil
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