Green World Hypothesis

Green World Hypothesis - Factors that keep herbivores in...

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1/31/11 Green World Hypothesis With so many primary consumers (herbivores) why is everything still so green Herbivores actually consume very little plant biomass because they are held in check by several factors Total of 830,000,000,000 metric tons of carbon in plants 50,000,000,000 tons is added each year Herbivores only consume 17% of this biomass every year so they are just really a nuisance to plants
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Unformatted text preview: Factors that keep herbivores in check Plant defenses Nutrients, not energy supply, limit herbivores Abiotic factors 1/31/11 Cycling of Elements Solar energy is replenished daily Carbon, Nitrogen, Phosphorus, etc. are not replenished (at all) Earth relies on the cycling of these nutrients....
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This note was uploaded on 01/30/2011 for the course BIOL 001 taught by Professor Nathan during the Spring '10 term at George Mason.

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Green World Hypothesis - Factors that keep herbivores in...

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