Which statement best describes expectations for the world’s human population by the year 2015?

Which statement best describes expectations for the world’s human population by the year 2015?

a) It will exceed 10 billion if the current rate of increase continues. b) Negative growth in the United States and Europe will counterbalance positive growth in the developing countries. c) It will exceed 7.5 billion if the current rate of increase continues. d) It will drop below 6 billion if the current rate of decrease continues. e) The problem is too complex to make any predictions

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On average, does a pair of elephants or a pair of rabbits leave more offspring that survive to become adults and reproduce?

On average, does a pair of elephants or a pair of rabbits leave more offspring that survive to become adults and reproduce? a) The pair of elephants, because elephants live….

Which of the following statements about maximum sustainable yield is incorrect?

Which of the following statements about maximum sustainable yield is incorrect? a) The maximum sustainable yield for a population is the population’s growth rate at K/2. b) The maximum sustainable….

Which of the following statements about the hazard factor of a population is incorrect?

Which of the following statements about the hazard factor of a population is incorrect? a) It is a measure of organisms’ risk of death from external sources. b) It is….