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O watch them o see what they eat o see what eats them

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Unformatted text preview: re aren’t that many o o Complex food webs may be less stable o Adding specis may decrease the stability of the food web o How do you know what trophic level an organism occupies? o Watch them o See what they eat o See what eats them o Look at isotopic composition of the cells Give you specific information about the cells o o Using isotopes to determine diets o No radioactively naturally occurring stable isotopes o CO2: 1 o You are what you eat o C3 v. C4 v. CAM v. phytoplank...
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