the carbon (dioxide) cycle Flashcards
study with the picture
1
Q
carbon and nitrogen are both r…… in the ecosystem in a cycle
A
recycled
2
Q
there’s a f….. amount of carbon in the world
A
fixed
3
Q
in the carbon cycle, there’s only one way it comes from the air. What is this process called?
A
photosynthesis
4
Q
in the carbon cycle, what product is the cycle moving around
(HINT: it’s not C)
A
C02
5
Q
plants use the carbon from CO2 to make….
A
lipids, carbohydrates and proteins
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