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14 Cards in this Set
- Front
- Back
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Components of system
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inputs-->production and/or processing-->outputs
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Chemical equation of photsynthesis
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6CO2 + 12H20 ---> C6H12O6 + 6O2 + 6H20
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Gross primary production (GPP)
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the total organic matter in an ecosystem (or specific area) made in photosynthesis
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Detritivore
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Such as worms, feed on plant detritus and scavengers feed on the dead carcasses of animals so that organic matter can re-enter the food chain
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Chemotroph
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Hetertrops depend on autotrophs directly or indirectly for their energy needs and their supply of matter; they consume other organisms
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How is energy lost in a food chain?
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70% heat loss (respiration), 20% detritus as chemical energy, 10% passed on to the next trophic level
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Explain the 10% rule
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10% of the energy at one trophic level is passed on to the next
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Photosyntheic effeciency
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How well a producer converts light energy into chemical energy of carbohydrates during photosynthesis
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Trophic level
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Is each food link in a food chain
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Trophic effeciency
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The persentage of the energy at one trophic level that ends up in the next trophic level
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Biogeochemical cycle
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a specific term that describes the cycling of matter through the living component of an ecosystem, soils and rocks, water and the atmosphere (bio-geo-chemcial)
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Nitrifying bacteria
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converts ammoinia to nitrites and then to nitrates for plant to absorb
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Nitrogen fixing bacteria
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converts atmospheric nitrogen to ammonia
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Denitrifying bacteria
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converts nitrites in oil back into atmospheric nitrogen that is released back into atmosphere
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