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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Definitions:

Demand Curve

A graph plotting the quantity of a good that buyers wish to purchase at different price levels, typically sloping downwards from left to right.

Consumer Confidence

A measure of the overall consumer optimism about the state of an economy, reflected through spending and saving behaviors.

Housing Bubble

A temporary condition characterized by an unusual increase in housing prices fueled by demand, speculation, and exuberant spending to the levels that income levels do not support.

Demand Curve

A graph showing the relationship between the price of a good and the quantity demanded by consumers, usually downward sloping to the right indicating inverse relationship between price and quantity demanded.