The Carbon Cycle

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What are detritivores?
Digest some waste material. Feed on detritus and increase surface area for saprobiotic organisms. Excrete waste products and aerate the soil.
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What are saprobiotic organisms?
Microbes that live on detritus. Use extracellular digestion to absorb nutrients through active transport and diffusion. CO2 is released back into the atmosphere when they respire.
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Carboniferous rocks
Contains 99% of the earth's carbon which is released by weathering.
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Ocean
CO2 reserve that keeps atmospheric levels constant.
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Feeding
Transfers complex organic molecules in producers to consumers.
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Death and decay
Saprobiotic organisms break down complex molecules aided by detritivores and release simple organic molecules.
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Other cards in this set

Card 2

Front

Microbes that live on detritus. Use extracellular digestion to absorb nutrients through active transport and diffusion. CO2 is released back into the atmosphere when they respire.

Back

What are saprobiotic organisms?

Card 3

Front

Contains 99% of the earth's carbon which is released by weathering.

Back

Preview of the back of card 3

Card 4

Front

CO2 reserve that keeps atmospheric levels constant.

Back

Preview of the back of card 4

Card 5

Front

Transfers complex organic molecules in producers to consumers.

Back

Preview of the back of card 5
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