Question 1

Select the description of a population pyramid for a population that has the largest potential for exponential growth.

Accepted Answer

A)  broad at the base,narrow at the top,with more females than males
B)  broad at the base,narrow at the top,with more males than females
C)  uniform at all age classes,with more females than males
D)  broad at the top,narrow at the base,with more males than females
E)  broad at the top,narrow at the base,with more females than malesF) A) and B)
G) A) and E)

Question 2

The range of a population

Accepted Answer

A)  is very fluid and changes frequently in a random fashion.
B)  is stable and almost never changes.
C)  only changes after a disaster has wiped out a former range.
D)  changes over time due to external events.
E)  only changes due to iteroparity.F) A) and B)
G) A) and C)

Question 3

The trade-off between investments in current reproduction and in growth that promotes future reproduction is referred to as the total cost of what?

Accepted Answer

A)  adaptation
B)  selection
C)  reproduction
D)  genetic change
E)  fitnessF) A) and C)
G) A) and B)

Question 4

Which organism is most likely to have a type III survivorship curve?

Accepted Answer

A)  an oak tree
B)  a domestic dog
C)  corn in a farmer's field
D)  ParameciumE) All of the above
F) C) and D)

Question 5

A species colonizes an island,goes through a phase of exponential growth,and reaches the carrying capacity of the island.At what stage is the growth rate slowest?

Accepted Answer

A)  initial colonization
B)  exponential phase
C)  approaching K
D)  after reaching KE) A) and B)
F) All of the above

Question 6

You work for a successful company that sells maternity clothes.They have asked you to evaluate whether Australia or Singapore would be a better country to expand into with new stores.What keyword will help you find the data you need to make this evaluation?

Accepted Answer

A)  range expansion
B)  dispersal
C)  metapopulation
D)  demographicsE) A) and C)
F) A) and D)

Question 7

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Accepted Answer

A)  the carrying capacity (K) 
B)  the population size (N) 
C)  the biotic potential (rN) 
D)  (K - N) /K
E)  the growth rate (dN/dt) F) A) and B)
G) D) and E)

Question 8

What are population pyramids used to show?

Accepted Answer

A)  death rates
B)  birth rates
C)  competition
D)  age composition of a population
E)  the carrying capacityF) C) and D)
G) A) and D)

Question 9

Which of the following apply to the demography of human populations today? (Check all that apply.)

Accepted Answer

A)  Our ecological footprint is decreasing.
B)  We are using distributed resources disproportionately-less than 20% of us use over 80% of the energy.
C)  We have plenty of resources still untouched.
D)  We use almost half of the Earth's land.
E)  We use over half of all renewable fresh water sources.F) A) and B)
G) D) and E)

Exam 54: Ecology of Individuals and Populations

You work for a successful company that sells maternity clothes.They have asked you to evaluate whether Australia or Singapore would be a better country to expand into with new stores.What keyword will help you find the data you need to make this evaluation?

Correct Answer
verified

Which organism is most likely to have a type III survivorship curve?

Correct Answer
verified

The range of a population

Correct Answer
verified

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Correct Answer
verified

What are population pyramids used to show?

Correct Answer
verified

Select the description of a population pyramid for a population that has the largest potential for exponential growth.

Correct Answer
verified

A species colonizes an island,goes through a phase of exponential growth,and reaches the carrying capacity of the island.At what stage is the growth rate slowest?

Correct Answer
verified

Which of the following apply to the demography of human populations today? (Check all that apply.)

Correct Answer
verified

The trade-off between investments in current reproduction and in growth that promotes future reproduction is referred to as the total cost of what?

Correct Answer
verified

Exam 54: Ecology of Individuals and Populations

You work for a successful company that sells maternity clothes.They have asked you to evaluate whether Australia or Singapore would be a better country to expand into with new stores.What keyword will help you find the data you need to make this evaluation?

Correct AnswerverifiedShow Answer

Which organism is most likely to have a type III survivorship curve?

Correct AnswerverifiedShow Answer

The range of a population

Correct AnswerverifiedShow Answer

Which one of the following expressions from the logistic equation (dN/dt = rN ((K - N) /K) represents the proportion of unused resources remaining for use by the population?

Correct AnswerverifiedShow Answer

What are population pyramids used to show?

Correct AnswerverifiedShow Answer

Select the description of a population pyramid for a population that has the largest potential for exponential growth.

Correct AnswerverifiedShow Answer

A species colonizes an island,goes through a phase of exponential growth,and reaches the carrying capacity of the island.At what stage is the growth rate slowest?

Correct AnswerverifiedShow Answer

Which of the following apply to the demography of human populations today? (Check all that apply.)

Correct AnswerverifiedShow Answer

The trade-off between investments in current reproduction and in growth that promotes future reproduction is referred to as the total cost of what?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified