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4 Cards in this Set
- Front
- Back
Energy flow through an ecosystem is ______
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linear. The heat lost cannot be recycled
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What's the posh name for decomposers?
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Saprobiotic microorganisms
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What are the two main reasons carbon dioxide in the atmosphere has increased over the past few hundred years?
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Combustion of fossil fuels
Deforestation (removal of photosynthesising biomass) |
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How is the sea involved in maintaining carbon dioxide levels?
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When atmospheric levels are high, carbon dioxide dissolves in the water, and when atmospheric levels are low, the reverse occurs. Phytoplankton use the dissolved carbon dioxide to form macromolecules that make up their bodies
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