Topic 8 - The Carbon Cycle Flashcards
1
Q
what happens to carbon and nitrogen in an ecosystem?
A
they are recycled through the ecosystem, passing through biotic and abiotic components in a continuous cycle
2
Q
how does carbon enter an ecosystem from the air?
A
photosynthesis
3
Q
how is carbon passed to animals?
A
by animals eating the plants
4
Q
what does respiration mean for carbon?
A
carbon dioxide is released back into the air
5
Q
what happens to carbon when plants/animals decompose?
A
They are broken down by microorganisms known as decomposers, which release carbon dioxide into the air
6
Q
how does burning affect the carbon cycle?
A
plant/animal products are burned, releasing carbon dioxide into the air
