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22.3 Sym & Cycles

QuestionAnswer
Host Organism that loses energy to a parasite
Symbiosis Two organisms of different species living in a close relationship
Mutualism Both gain ++
Commensalism One gains and the other is unaffected +0
Parasitism One gains, one loses +-
Biological Magnification Toxins become more concentrated in higher trophic levels.
DDT A banned chemical that disrupts the whole food chain and causes cancer.
Nitrogen Cycle Decomposers and Bacteria cycle Nitrogen into the soil
Carbon-Oxygen Cycle Plants and animals exchange gasses through photosynthesis and respiration
Water Cycle Transpiration, evaporation, condensation, precipitation, infiltration
Created by: kgarlitz
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