Question 1

Ticks feeding on the blood of a field mouse exemplify

Accepted Answer

A) competition. 
B) predation. 
C) parasitism. 
D) mutualism. 
E) commensalism. 
A) competition. 
B) predation. 
C) parasitism. 
D) mutualism. 
E) commensalism.

Question 2

Labeling
  
-On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that exceeded the carrying capacity of their environment.

Accepted Answer

The answer of Labeling
  
-On the exponential growth of...

Question 3

Different species within a community, whether native or nonnative, play similar roles in the community's ecology.

Accepted Answer

A) True 
 B)False

Question 4

In which location is secondary succession most likely to occur?

Accepted Answer

A) Cooled volcanic lava 
B) A new sandbar exposed by the ocean 
C) A heavily polluted stream that has been cleaned up 
D) A bare rock outcrop 
E) A newly formed, shallow freshwater pond 
A) Cooled volcanic lava 
B) A new sandbar exposed by the ocean 
C) A heavily polluted stream that has been cleaned up 
D) A bare rock outcrop 
E) A newly formed, shallow freshwater pond

Question 5

Species that migrate or are accidentally introduced into an ecosystem are called

Accepted Answer

A) nonnative species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) indicator species. 
A) nonnative species. 
B) native species. 
C) keystone species. 
D) specialist species. 
E) indicator species.

Question 6

Which of the following is a specialist species?

Accepted Answer

A) flies 
B) cockroach 
C) raccoons 
D) rats 
E) pandas 
A) flies 
B) cockroach 
C) raccoons 
D) rats 
E) pandas

Question 7

Predation and parasitism are examples of ecological interactions that are harmful at the individual level.

Accepted Answer

A) True 
 B)False

Question 8

Why is predation considered beneficial at the population level but harmful at the individual level?

Accepted Answer

Predation usually removes sick, aged, we

Question 9

Organisms with opportunistic reproductive strategies generally

Accepted Answer

A) have a low biotic potential. 
B) are small and short-lived. 
C) give significant parental care to its offspring. 
D) are not very adaptable to change. 
E) are large and long-lived. 
A) have a low biotic potential. 
B) are small and short-lived. 
C) give significant parental care to its offspring. 
D) are not very adaptable to change. 
E) are large and long-lived.

Question 10

Silverfish insects travel with army ants to share the food the ants leave behind after eating. This is an example of ____.

Accepted Answer

A) mutualism 
B) commensalism 
C) succession 
D) parasitism 
E) specism 
A) mutualism 
B) commensalism 
C) succession 
D) parasitism 
E) specism

Question 11

In 1845, the human population of Ireland experienced a major crash as a result of

Accepted Answer

A) the plague. 
B) the potato fungus. 
C) an influenza epidemic. 
D) a prolonged drought. 
E) HIV/AIDS. 
A) the plague. 
B) the potato fungus. 
C) an influenza epidemic. 
D) a prolonged drought. 
E) HIV/AIDS.

Question 12

A population will decrease as

Accepted Answer

A) birth rate increases. 
B) mortality decreases. 
C) biotic potential increases. 
D) environmental resistance increases. 
E) immigration increases 
A) birth rate increases. 
B) mortality decreases. 
C) biotic potential increases. 
D) environmental resistance increases. 
E) immigration increases

Question 13

Whales are examples of ____________________ because they reproduce slowly and produce few, well nurtured offspring to ensure survival of the species.

Accepted Answer

The answer of Whales are examples of ____________________ because they...

Question 14

The three main factors that led to a rapid increase in the global human population are

Accepted Answer

A) available habitat, agriculture, and pesticides. 
B) agriculture, medicine, and media alerts. 
C) medicine, available habitat, and migration. 
D) available habitat, agriculture, and medicine. 
E) agriculture, medicine, and pesticides 
A) available habitat, agriculture, and pesticides. 
B) agriculture, medicine, and media alerts. 
C) medicine, available habitat, and migration. 
D) available habitat, agriculture, and medicine. 
E) agriculture, medicine, and pesticides

Question 15

Which term is synonymous with the term "invasive species"?

Accepted Answer

A) exotic species 
B) native species 
C) keystone species 
D) harbinger species 
E) indicator species 
A) exotic species 
B) native species 
C) keystone species 
D) harbinger species 
E) indicator species

Question 16

Parasitism can be viewed as a special form of:

Accepted Answer

A) predation. 
B) mutualism. 
C) commensalism. 
D) resource partitioning. 
E) interspecific competition. 
A) predation. 
B) mutualism. 
C) commensalism. 
D) resource partitioning. 
E) interspecific competition.

Question 17

The biotic potential of a population

Accepted Answer

A) is its capacity for ideal growth under ideal conditions. 
B) is its current rate of growth of a population. 
C) is an expression of how many offspring survive to reproduce. 
D) can be determined only by studying an age structure diagram. 
E) is the future rate of growth of a population. 
A) is its capacity for ideal growth under ideal conditions. 
B) is its current rate of growth of a population. 
C) is an expression of how many offspring survive to reproduce. 
D) can be determined only by studying an age structure diagram. 
E) is the future rate of growth of a population.

Question 18

What is the difference between mutualism and commensalism?

Accepted Answer

In mutualist interactions, two

Question 19

Which of the following predators avoid competition by being active at different times?

Accepted Answer

A) lions and tigers 
B) hummingbirds and bees 
C) hawks and owls 
D) zebras and antelopes 
E) lions and cheetahs 
A) lions and tigers 
B) hummingbirds and bees 
C) hawks and owls 
D) zebras and antelopes 
E) lions and cheetahs

Question 20

Population change =

Accepted Answer

A) (Births + Deaths) $-$ (Immigration + Emigration) 
B) (Births $-$ Emigration) + (Deaths - Immigration) 
C) (Births $-$ Immigration) + (Deaths $-$Emigration) 
D) (Births + Emigration) $-$ (Deaths + Immigration) 
E) (Births + Immigration) $-$ (Deaths + Emigration) 
A) (Births + Deaths) $-$ (Immigration + Emigration) 
B) (Births $-$ Emigration) + (Deaths - Immigration) 
C) (Births $-$ Immigration) + (Deaths $-$Emigration) 
D) (Births + Emigration) $-$ (Deaths + Immigration) 
E) (Births + Immigration) $-$ (Deaths + Emigration)

Ticks feeding on the blood of a field mouse exemplify

Labeling -On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that exceeded the carrying capacity of their environment.

Different species within a community, whether native or nonnative, play similar roles in the community's ecology.

In which location is secondary succession most likely to occur?

Species that migrate or are accidentally introduced into an ecosystem are called

Which of the following is a specialist species?

Predation and parasitism are examples of ecological interactions that are harmful at the individual level.

Why is predation considered beneficial at the population level but harmful at the individual level?

Organisms with opportunistic reproductive strategies generally

Silverfish insects travel with army ants to share the food the ants leave behind after eating. This is an example of ____.

In 1845, the human population of Ireland experienced a major crash as a result of

A population will decrease as

Whales are examples of ____________________ because they reproduce slowly and produce few, well nurtured offspring to ensure survival of the species.

The three main factors that led to a rapid increase in the global human population are

Which term is synonymous with the term "invasive species"?

Parasitism can be viewed as a special form of:

The biotic potential of a population

What is the difference between mutualism and commensalism?

Which of the following predators avoid competition by being active at different times?

Population change =

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters

Exam 4: Community Ecology, Population Ecology, and the Human Population

Ticks feeding on the blood of a field mouse exemplify

Labeling -On the exponential growth of reindeer figure, choose the portion of the graph that represents the number of reindeer that exceeded the carrying capacity of their environment.

Different species within a community, whether native or nonnative, play similar roles in the community's ecology.

In which location is secondary succession most likely to occur?

Species that migrate or are accidentally introduced into an ecosystem are called

Which of the following is a specialist species?

Predation and parasitism are examples of ecological interactions that are harmful at the individual level.

Why is predation considered beneficial at the population level but harmful at the individual level?

Organisms with opportunistic reproductive strategies generally

Silverfish insects travel with army ants to share the food the ants leave behind after eating. This is an example of ____.

In 1845, the human population of Ireland experienced a major crash as a result of

A population will decrease as

Whales are examples of ____________________ because they reproduce slowly and produce few, well nurtured offspring to ensure survival of the species.

The three main factors that led to a rapid increase in the global human population are

Which term is synonymous with the term "invasive species"?

Parasitism can be viewed as a special form of:

The biotic potential of a population

What is the difference between mutualism and commensalism?

Which of the following predators avoid competition by being active at different times?

Population change =

Environmental Problems, Their Causes, and Sustainability

Science, Matter, Energy, and Systems

Biodiversity and Evolution

Sustaining Biodiversity: The Species Approach

Sustaining Biodiversity: The Ecosystem Approach

Food, Soil, and Pest Management

Water Resources and Water Pollution

Nonrenewable Energy Resources

Energy Efficiency and Renewable Energy

Environmental Hazards and Human Health

Air Pollution, Climate Change, and Ozone Depletion

Urbanization and Solid and Hazardous Waste

Economics, Politics, Worldviews, and Sustainability

Filters