Energy Flow & Trophic Levels
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Last updated 7:43 AM on 12/11/25
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7 Terms
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10% rule
only ~10% of energy transfers to next trophic level
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Biomagnification
toxins become more concentrated at higher trophic levels
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GPP
total energy captured by plants
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Respiration (R)
energy plants use for maintenance
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NPP
GPP − R (energy available to herbivores)
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Highest NPP ecosystems
tropical rainforests, estuaries, coral reefs
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Lowest NPP ecosystems
deserts, open ocean (per area)
Note 
Flashcards (88)