The Carbon Cycle (Leaving Cert Biology): Flashcards
📚Flashcards
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10 cards from this deck
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Practise the cards
10 cards from this deck
What is nutrient recycling?
What is nutrient recycling?
Elements absorbed by organisms, released when decomposing, reabsorbed by others
Which elements can be continuously recycled?
Which elements can be continuously recycled?
Carbon and nitrogen
What photosynthesis does in the carbon cycle
What photosynthesis does in the carbon cycle
Takes in CO₂ from atmosphere, converts to glucose
What respiration does in the carbon cycle
What respiration does in the carbon cycle
Releases CO₂ when organisms break down glucose for energy
What decomposition releases in carbon cycle
What decomposition releases in carbon cycle
CO₂ and methane into air/soil
What combustion does in the carbon cycle
What combustion does in the carbon cycle
Burning fossil fuels/biomass releases CO₂ into atmosphere
How long does fossilisation take?
How long does fossilisation take?
Millions of years
What oceans do in the carbon cycle
What oceans do in the carbon cycle
Absorb large amounts of CO₂ from atmosphere
What ocean carbon forms over time
What ocean carbon forms over time
Sedimentary rocks like limestone
What volcanic activity does in carbon cycle
What volcanic activity does in carbon cycle
Releases CO₂ when carbon-rich rocks melt and erupt