Exam 55: Population Ecology

A biologist constructs a life table of a population of Thompson gazelles, but only studies the population for a brief period of time. Such a life table would have to be a(n) _______ life table.

Use the following to answer questions: Suppose that of 300 mice in a mice colony born in January, 150 are still alive at the start of September, and 120 are still alive at the start of October. -If the survivorship at the start of November is 0.3, how many mice died during the month of November?

Which of the following is not an aspect of the study of demography?

Which of the following types of survivorship curves best describes humans living in the contemporary United States?

Which of the following factors is significant in setting the present carrying capacity of Earth for the human population?

Which of the following could be the age in 2010 of someone born during the post-WWII baby boom in the United States?

In a study of the population density of apple maggot flies, 150 flies are captured and marked in the first sample. Two days later, 300 flies are captured, 15 of which have marks. Based on these results, the estimated number of apple maggot flies in this population would be

The intrinsic rate of increase (r) is the

Which of the following best describes the demography of humans living in the contemporary United States?

Which of the following is most consistent with a species with an r life-history strategy?

Which of the following statements about age structure is true?

The use of parasitic wasps to limit outbreaks of blowflies is an example of _______ control.

Which of the following species would most likely be iteroparous?

Which of the following statements about biological control is false?

Under ideal conditions, the birth rate per individual in a population of isopods is 0.12 offspring per day, and the death rate per individual is 0.04 offspring per day. If there are 7,000 individuals in the population, its biotic potential (per day) is

Pacific salmon grow, mate, and then reproduce once, a process known as spawning. Soon after they spawn, these fish die. These salmon are considered

Which of the following is not a demographic event?

The number of offspring produced by a cohort is known as its

In the United States, birth rates were _______ in the years 1946-1964 than they were in the years immediately before or immediately after. This period is known as the _______.

Which of the following would likely lead to a large population density of a species?