Bear Population Growth Rates Are Affected by Both Intraspecific Competition

question 81

Multiple Choice

Bear population growth rates are affected by both intraspecific competition and the supply of their prey (in this case,salmon) .Assume that the per capita growth rate is equal to 0.0025 S - 0.02 B,where S is the number of salmon that flow into the river and B is the number of bears in the population.If there are 100 bears,what is the minimum number of salmon that must flow into the river to maintain the bear population?

• A) 50
• B) 80
• C) 500
• D) 800
• E) 1,250

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