(Bio and M.) Check-In #1 - B. Williams

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As a population of organisms within a forest ecosystem increases, the size of the population is eventually limited by ___________.

• the overproduction of their food supply

• the size of similar populations in a nearby ecosystem

• a lack of competition

• a finite supply of water and nutrients

Jim uses the equation A = P(1 + 0.05)^t to find the amount of money in an account, A, of an investment, P, after t years. For this equation, which phrase describes the yearly rate of change?

• increasing by 0.05%

• increasing by 5%

• decreasing by 0.05%

• decreasing by 5%

Solar and wind power are options available to people interested in producing electricity while reducing their reliance on fossil fuels. A benefit of using these alternative energy sources is that they _______________.

• preserve natural resources for future generations

• increase the number of jobs required for mining coal

• ensure that supplies of fossil fuels will never decrease

• cost more to generate than all other sources of electricity

• (x + 1)(x + 16)

• (x - 1)(x - 16)

• (x + 2)(x - 8)

• (x - 2)(x + 8)