Exam 53: Population Ecology

Refer to the figure below to answer the following questions. Infant mortality and life expectancy at birth in developed and developing countries (data as of 2005). -What is a logical conclusion that can be drawn from the graphs above?

Why do some invertebrates,such as lobsters,show a "stair-step" survivorship curve?

Which of the following graphs illustrates the growth curve of a small population of rodents that has grown to reach a static carrying capacity?

Which of the following best defines a cohort?

Pacific salmon and annual plants are excellent examples of

Exponential growth of a population is represented by dN/dt =

Which statement is true with regard to human population growth?

A population of white-footed mice becomes severely overpopulated in a habitat that has been disturbed by human activity.Sometimes intrinsic factors cause the population to increase in mortality and lower reproduction rates to occur in reaction to the stress of overpopulation.Which of the following is an example of intrinsic population control?

Population ecologists are primarily interested in

What is the primary limiting factor that determines why no female animal can produce a very large number of very large eggs?

Uniform spacing patterns in plants such as the creosote bush are most often associated with

The human population

Why do populations grow more slowly as they approach their carrying capacity?

Scientific study of the population cycles of the snowshoe hare and its predator,the lynx,has revealed that

You observe two female fish of the same species breeding.One female lays 100 eggs and the other female lays 1000 eggs.Which one of the following is least likely given the limits of fitness trade-offs?

As N approaches K for a certain population,which of the following is predicted by the logistic equation?

Which of the following statements about the evolution of life histories is correct?

Long-term studies of Belding's ground squirrels show that immigrants move nearly 2 km from where they are born and become 1%-8% of the males and 0.7%-6% of the females in other populations.On an evolutionary scale,why is this significant?

Which of the following is most key to understanding the demographic transition in human population growth?

Where would you find the largest number of K-selected individuals?