Question 1

The sequence of decreased death rate followed by a decrease in birthrate is called

Accepted Answer

A)  environmental resistance.
B)  a limiting factor.
C)  doubling time coefficient.
D)  demographic transition.
E)  replacement reproduction.F) All of the above
G) D) and E)

Question 2

The particular place where an organism lives is its

Accepted Answer

A)  life zone.
B)  niche.
C)  ecosystem.
D)  community.
E)  habitat.F) B) and D)
G) A) and E)

Question 3

Which of the following lifestyle changes would have the greatest impact on reducing an individuals environmental impact?

Accepted Answer

A)  Reducing your meat consumption to once or twice a week.
B)  Buying a more fuel efficient vehicle and only using it when you are taking long trips instead of traveling locally.
C)  Downsizing and moving into a smaller house.
D)  Reducing the number of children in your household to reach a zero population growth rate.
E)  Waiting until later in life to have children and only have one per couple.F) A) and E)
G) B) and E)

Question 4

Which of the following circumstances would cause exponential growth to move into a logistic growth phase?

Accepted Answer

A)  A reduction in the number of females within the population.
B)  A large increase in the population over three generations.
C)  The introduction of a non-native predator into the environment.
D)  Habitat alteration resulting in the conversion of 1200 acres of forests into agricultural fields and housing developments.
E)  All of these would cause exponential growth to move into logistic growth.F) B) and D)
G) A) and D)

Question 5

Consider the life of the praying mantis.The large predatory female lays several hundred eggs in a foam mass in the fall.The young are most vulnerable when they emerge in the spring,but the few that survive spread out over the countryside and,if they find a mate,lay eggs the following fall.Which type of survivorship curve does this represent?

Accepted Answer

A)  type I
B)  type II
C)  type III
D)  exponential growth followed by a decline from resource depletion
E)  maximal exponential growth and minimal use of carrying capacityF) A) and B)
G) C) and D)

Question 6

Which of the following studies would lie outside of an ecologists skill set?

Accepted Answer

A)  Studying the progression of an outbreak of HIV in sub Sahara Africa.
B)  Developing a management plan for the preservation of an endangered species.
C)  Proposal to develop a solar power field on the edge of a major urban area.
D)  Management plan to clean up a section of the Mississippi River that has become polluted due to sewage discharge.
E)  All of these are part of an ecologists skill set.F) A) and E)
G) C) and D)

Question 7

In the near future,the human population is predicted to involve

Accepted Answer

A)  a worldwide decrease in population growth due to limited resources.
B)  an increase in population growth in all countries in the world.
C)  a decrease in growth in most,but not all,more-developed countries and continued growth in most less-developed countries.
D)  a continuation of human population growth at the same pace as in the previous century.E) A) and B)
F) B) and C)

Exam 44: Population Ecology

Which of the following circumstances would cause exponential growth to move into a logistic growth phase?

Correct Answer
verified

Correct Answer
verified

The sequence of decreased death rate followed by a decrease in birthrate is called

Correct Answer
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The particular place where an organism lives is its

Correct Answer
verified

In the near future,the human population is predicted to involve

Correct Answer
verified

Which of the following studies would lie outside of an ecologists skill set?

Correct Answer
verified

Which of the following lifestyle changes would have the greatest impact on reducing an individuals environmental impact?

Correct Answer
verified

Exam 44: Population Ecology

Which of the following circumstances would cause exponential growth to move into a logistic growth phase?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

The sequence of decreased death rate followed by a decrease in birthrate is called

Correct AnswerverifiedShow Answer

The particular place where an organism lives is its

Correct AnswerverifiedShow Answer

In the near future,the human population is predicted to involve

Correct AnswerverifiedShow Answer

Which of the following studies would lie outside of an ecologists skill set?

Correct AnswerverifiedShow Answer

Which of the following lifestyle changes would have the greatest impact on reducing an individuals environmental impact?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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