10 Questions
What process do autotrophs use to convert light energy into chemical energy?
Photosynthesis
How do plants return a significant amount of carbon back into the atmosphere?
Via cellular respiration
What is the main energy source for detritivores?
Cellular respiration
Which process leads to the formation of calcium carbonate exoskeletons in coral reefs?
Calcification
Where is the largest pool of carbon in the world located?
Deep ocean sediments
What is the primary source of usable carbon for plants in the carbon cycle?
Carbon dioxide in the atmosphere
How does the global nature of the carbon cycle differ from the nitrogen and phosphorus cycles?
Carbon cycle is influenced by local concentrations on land
Why can changes in local levels of nitrogen and phosphorus have major consequences for ecosystems?
Local levels of nitrogen and phosphorus directly impact ecosystem health
How do consumers primarily obtain their carbon in the carbon cycle?
From eating other organisms
What distinguishes carbon from other essential elements regarding its usage by living organisms?
Carbon is used for energy storage, transfer, and usage
Explore the pathways that carbon takes through living organisms and the environment in the carbon cycle. Learn about the main source of carbon, which is carbon dioxide in the atmosphere, and how it differs from other biogeochemical cycles.
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