Question 1

Weather is a density-____________________ factor that can affect the size of a population.

Accepted Answer

independent

Question 2

If humans reduced the current growth rate to 2.1, the replacement level, today, the human population would stop growing within just 5 years.

Accepted Answer

A) True 
 B)False  False

Question 3

The definition of an area, relative to a population study,

Accepted Answer

A) is constant. 
B) is always 1 square meter. 
C) depends on the questions being asked. 
D) depends on whether the area is terrestrial or aquatic. 
A) is constant. 
B) is always 1 square meter. 
C) depends on the questions being asked. 
D) depends on whether the area is terrestrial or aquatic. C

Question 4

Which of the following has the highest population density?

Accepted Answer

A) 1 grasshopper living in an area of 10 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) 1,500 oysters living in an area of 1,500 square meters 
A) 1 grasshopper living in an area of 10 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) 1,500 oysters living in an area of 1,500 square meters

Question 5

By imposing the one-child policy, China's government is attempting to manipulate which of the following factors?

Accepted Answer

A) N 
B) λ 
C) carrying capacity 
D) food supply 
A) N 
B) λ 
C) carrying capacity 
D) food supply

Question 6

The approximate number of humans on Earth in 2012 is 7 billion.

Accepted Answer

A) True 
 B)False

Question 7

The carrying capacity of a habitat always remains the same.

Accepted Answer

A) True 
 B)False

Question 8

The amount of productive land and water that individuals or populations require to provide their required resources and dispose of its wastes is called the

Accepted Answer

A) sustainable area. 
B) ecological footprint. 
C) biological acreage. 
D) environmental measure. 
A) sustainable area. 
B) ecological footprint. 
C) biological acreage. 
D) environmental measure.

Question 9

One measure of population growth is the period in which a population increases to twice its size. This is referred to as the ____________________ of the population.

Accepted Answer

The answer of One measure of population growth is the...

Question 10

Nene, the Hawaiian goose, live on Maui. Their population density is 0.164 per square kilometer. Maui is 1,830 square kilometers in size. Approximately how many nene live on Maui?

Accepted Answer

A) 16 
B) 150 
C) 300 
D) 11,600 
A) 16 
B) 150 
C) 300 
D) 11,600

Question 11

A population will remain at a constant size when emigration equals immigration and

Accepted Answer

A) food is not a limiting factor. 
B) births equal deaths. 
C) predators leave the area. 
D) available space remains the same. 
A) food is not a limiting factor. 
B) births equal deaths. 
C) predators leave the area. 
D) available space remains the same.

Question 12

Food shortages and communicable disease are examples of factors that would ____________________ a population's growth rate.

Accepted Answer

The answer of Food shortages and communicable disease are examples...

Question 13

For most populations, irregular fluctuations in size or density

Accepted Answer

A) are less commonly experienced than the smooth J-shaped growth curve. 
B) occur commonly before carrying capacity is reached. 
C) are more common than the smooth J-shaped growth curve. 
D) occur only when density-independent factors dominate. 
A) are less commonly experienced than the smooth J-shaped growth curve. 
B) occur commonly before carrying capacity is reached. 
C) are more common than the smooth J-shaped growth curve. 
D) occur only when density-independent factors dominate.

Question 14

A(n)____________________ is a group of interacting individuals of the same species living within the same area.

Accepted Answer

The answer of A(n)____________________ is a group of interacting individuals...

Question 15

Population size ____________________ when the combination of death and emigration rates are lower than the combination of birth and immigration rates.

Accepted Answer

The answer of Population size ____________________ when the combination of...

Question 16

A new species is introduced into a given area. The population size begins to grow slowly, then at a very rapid rate, and finally levels off at a stable number. This growth pattern is best represented by a(n)

Accepted Answer

A) oscillating cycle. 
B) J-shaped population curve. 
C) A-shaped population curve. 
D) S-shaped population curve. 
A) oscillating cycle. 
B) J-shaped population curve. 
C) A-shaped population curve. 
D) S-shaped population curve.

Question 17

A population of 100 individuals has a doubling time of 25 years. What size will this population be in 100 years?

Accepted Answer

A) 100 
B) 400 
C) 800 
D) 1,600 
A) 100 
B) 400 
C) 800 
D) 1,600

Question 18

What was the effect of the pesticide DDT on bald eagles?

Accepted Answer

A) They lost the ability to fly. 
B) The animals they ate as prey were killed by the DDT. 
C) Their eggs were fragile, breaking before the chicks could fully develop. 
D) The trees they lived in were killed by the DDT. 
A) They lost the ability to fly. 
B) The animals they ate as prey were killed by the DDT. 
C) Their eggs were fragile, breaking before the chicks could fully develop. 
D) The trees they lived in were killed by the DDT.

Question 19

The Rapanui people created an environmental disaster on Easter Island by

Accepted Answer

A) planting crops that required too much water. 
B) overfishing the lagoons around the island. 
C) cutting down too many of the island's palm trees. 
D) using resources to make statues instead of using these resources as fertilizer. 
A) planting crops that required too much water. 
B) overfishing the lagoons around the island. 
C) cutting down too many of the island's palm trees. 
D) using resources to make statues instead of using these resources as fertilizer.

Question 20

Studies of the population-size cycles seen between the snowshoe hare and the Canadian lynx showed that

Accepted Answer

A) lynx populations decrease in size when hare populations increase in size. 
B) lynx populations increase in size when hare populations decrease in size. 
C) lynx populations decrease in size when hare populations decrease in size. 
D) There is no relationship between population sizes of snowshoe hare and Canadian lynx. 
A) lynx populations decrease in size when hare populations increase in size. 
B) lynx populations increase in size when hare populations decrease in size. 
C) lynx populations decrease in size when hare populations decrease in size. 
D) There is no relationship between population sizes of snowshoe hare and Canadian lynx.

Exam 22: Growth of Populations

Weather is a density-____________________ factor that can affect the size of a population.

If humans reduced the current growth rate to 2.1, the replacement level, today, the human population would stop growing within just 5 years.

The definition of an area, relative to a population study,

Which of the following has the highest population density?

By imposing the one-child policy, China's government is attempting to manipulate which of the following factors?

The approximate number of humans on Earth in 2012 is 7 billion.

The carrying capacity of a habitat always remains the same.

The amount of productive land and water that individuals or populations require to provide their required resources and dispose of its wastes is called the

One measure of population growth is the period in which a population increases to twice its size. This is referred to as the ____________________ of the population.

Nene, the Hawaiian goose, live on Maui. Their population density is 0.164 per square kilometer. Maui is 1,830 square kilometers in size. Approximately how many nene live on Maui?

A population will remain at a constant size when emigration equals immigration and

Food shortages and communicable disease are examples of factors that would ____________________ a population's growth rate.

For most populations, irregular fluctuations in size or density

A(n)____________________ is a group of interacting individuals of the same species living within the same area.

Population size ____________________ when the combination of death and emigration rates are lower than the combination of birth and immigration rates.

A new species is introduced into a given area. The population size begins to grow slowly, then at a very rapid rate, and finally levels off at a stable number. This growth pattern is best represented by a(n)

A population of 100 individuals has a doubling time of 25 years. What size will this population be in 100 years?

What was the effect of the pesticide DDT on bald eagles?

The Rapanui people created an environmental disaster on Easter Island by

Studies of the population-size cycles seen between the snowshoe hare and the Canadian lynx showed that

The Nature of Science and the Characteristics of Life

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Photosynthesis and Cellular Respiration

Cell Division

Stem Cells, Cancer, and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

Dna and Genes

From Gene to Protein

Dna Technology

How Evolution Works

Evolution of Populations

Speciation and the Origins of Biological Diversity

The Evolutionary History of Life

The Biosphere

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons, Muscles, and Movement

Defenses Against Disease

Reproduction and Development

Animal Behavior

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

Filters