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ISU
BIOL 211 -
Worksheet 20
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Biology 211 (5) ~ SI Worksheet #20 ~ www.si.iastate.edu ~ 12-3-07Give the +/- notation for the following interactions and explain what each is:CompetitionPredation CommensalismParasitismDisease HerbivoryMutualismWhat is a niche?What are some types of camouflage used by prey to avoid predators?What is the difference between species richness and relative abundance?What are the dominant species, keystone species, and foundation species with regard to community dynamics?What is the bottom-up model of organization?What is the top-down model of organization?What is a disturbance?What is the rivet model?What is the redundancy
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