Exam 53: Population Ecology

An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile in another woodlot. What was the ecologist comparing?

A population is correctly defined as having which of the following characteristics? I. inhabiting the same general area II. belonging to the same species III. possessing a constant and uniform density and dispersion

A researcher has told you that she recorded 100 births in a population of 2000 individuals. What is the annual per capita birth rate and the expected number of births per year if the population size was 3000?

The following questions refer to the figure below, which depicts the age structure of three populations. -Which population(s)appear(s)to be stable?

Which of the following was the most significant limiting factor in human population growth in the 20th century?

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

Based on current growth rates, Earth's human population in 2050 will be closest to

The following questions refer to the figure below, which depicts the age structure of three populations. -Which population(s)is (are)in the process of decreasing?

Which of the following is the equation for zero population growth (ZPG)?

Which of the following sets of measurements is the most useful when studying populations?

Which variables define the ecological life history of a species?

The human population

Which statement is true with regard to human population growth?

The three basic variables that make up the life history of an organism are

According to the logistic growth equation

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

The observation that members of a population are uniformly distributed suggests that

During the spring, you are studying the mice that live in a field near your home. The population density is high, but you realize that you rarely observe any reproductive female mice. This most likely indicates

Which of the following is not an example of density-dependent regulation?

To construct a reproductive table for a sexual species, one needs to