Question 1

Examine the graph below.  
What statement best describes the relationship between planting density and seed production per individual plant?

Accepted Answer

A) At high planting densities, both seed production per plant and total seeds produced declines. 
B) At high planting densities, seed production per plant declines while total seeds produced remains constant. 
C) At low planting densities, both seed production per plant and total seeds produced increases. 
D) At high planting densities, seed production per plant declines while total seeds produced increases. 
A) At high planting densities, both seed production per plant and total seeds produced declines. 
B) At high planting densities, seed production per plant declines while total seeds produced remains constant. 
C) At low planting densities, both seed production per plant and total seeds produced increases. 
D) At high planting densities, seed production per plant declines while total seeds produced increases.

Question 2

Pollution is one of the many density-dependent factors that limit population growth.

Accepted Answer

A) True 
 B)False

Question 3

The decrease in the availability of food or cover that accompanies increasing population size illustrates the concept of a(n)

Accepted Answer

A) density-dependent factor. 
B) density-independent factor. 
C) emigration-related factor. 
D) high carrying capacity factor. 
A) density-dependent factor. 
B) density-independent factor. 
C) emigration-related factor. 
D) high carrying capacity factor.

Question 4

Which of the following populations would be most likely to experience an S-shaped growth pattern?

Accepted Answer

A) all of the animals in the San Diego Zoo 
B) Gause's Paramecia without a constant food supply 
C) a founding colony of rats on a small island with abundant resources 
D) a beehive infected midsummer with a deadly bacterial disease 
A) all of the animals in the San Diego Zoo 
B) Gause's Paramecia without a constant food supply 
C) a founding colony of rats on a small island with abundant resources 
D) a beehive infected midsummer with a deadly bacterial disease

Question 5

If there are 100 people living in a 2-square-kilometer area, the population density is ____________________ people per square kilometer.

Accepted Answer

The answer of If there are 100 people living in...

Question 6

Under the one-child policy, China's population is expected to peak and then decline in the year

Accepted Answer

A) 2020. 
B) 2030. 
C) 2050. 
D) 2075. 
A) 2020. 
B) 2030. 
C) 2050. 
D) 2075.

Question 7

Which of the following populations would be most vulnerable to an outbreak of disease?

Accepted Answer

A) 10 grasshoppers living in an area of 100 square meters 
B) 100 rabbits living in an area of 10,000 square meters 
C) 200 sparrows living in an area of 20,000 square meters 
D) 250,000 people living in an area of 100,000 square meters 
A) 10 grasshoppers living in an area of 100 square meters 
B) 100 rabbits living in an area of 10,000 square meters 
C) 200 sparrows living in an area of 20,000 square meters 
D) 250,000 people living in an area of 100,000 square meters

Question 8

The figure below shows that the human population was small and relatively stable for nearly 12,000 years, but has increased dramatically in the past 200 years.  
How might this increase in population growth be explained?

Accepted Answer

A) Disease prevented any significant growth of the human population. 
B) For most of human history people were too malnourished to have children. 
C) People simply chose to have fewer children in the past than at present. 
D) Prior human populations were at existing carrying capacities but newly developed technologies have raised the carrying capacity and permitted the recent expansion. 
A) Disease prevented any significant growth of the human population. 
B) For most of human history people were too malnourished to have children. 
C) People simply chose to have fewer children in the past than at present. 
D) Prior human populations were at existing carrying capacities but newly developed technologies have raised the carrying capacity and permitted the recent expansion.

Question 9

One of the consequences of China's one-child policy is that the proportion of older adults in the population is growing.

Accepted Answer

A) True 
 B)False

Exam 22: Growth of Populations

Examine the graph below. What statement best describes the relationship between planting density and seed production per individual plant?

Pollution is one of the many density-dependent factors that limit population growth.

The decrease in the availability of food or cover that accompanies increasing population size illustrates the concept of a(n)

Which of the following populations would be most likely to experience an S-shaped growth pattern?

If there are 100 people living in a 2-square-kilometer area, the population density is ____________________ people per square kilometer.

Under the one-child policy, China's population is expected to peak and then decline in the year

Which of the following populations would be most vulnerable to an outbreak of disease?

The figure below shows that the human population was small and relatively stable for nearly 12,000 years, but has increased dramatically in the past 200 years. How might this increase in population growth be explained?

One of the consequences of China's one-child policy is that the proportion of older adults in the population is growing.

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