Question 1

-On the natural restoration of disturbed land figure,choose the letter that represents the step in which shrubs grow.

Accepted Answer

The answer of  
-On the natural restoration of disturbed...

Question 2

Which of the following is a keystone species?

Accepted Answer

A)  honeybee 
B)  robin 
C)  daisy 
D)  opossum 
E)  trout 
A)  honeybee 
B)  robin 
C)  daisy 
D)  opossum 
E)  trout

Question 3

Two important roles of keystone species are pollination and predation.

Accepted Answer

A) True 
 B)False

Question 4

All of the following about logistic growth is true except

Accepted Answer

A)  Population plotted against time involves a period of rapid exponential growth followed by a period of fluctuation around the carrying capacity. 
B)  Population plotted against time produces a sigmoidal shaped logistic growth curve. 
C)  A population can overshoot its carrying capacity and decline more than one time. 
D)  A population may overshoot its carrying capacity because of a reproductive time lag. 
E)  Human populations are exempt from logistic growth because we can expand the earth's carrying capacity for the human species. 
A)  Population plotted against time involves a period of rapid exponential growth followed by a period of fluctuation around the carrying capacity. 
B)  Population plotted against time produces a sigmoidal shaped logistic growth curve. 
C)  A population can overshoot its carrying capacity and decline more than one time. 
D)  A population may overshoot its carrying capacity because of a reproductive time lag. 
E)  Human populations are exempt from logistic growth because we can expand the earth's carrying capacity for the human species.

Question 5

Describe how a plant species may get its start in an area of primary ecological succession. What major niche or ecological role would these newly established organisms fill?

Accepted Answer

An area of primary ecological succession

Question 6

A population crash occurs when

Accepted Answer

A)  a population approaches its carrying capacity. 
B)  environmental resistance comes into play gradually. 
C)  resources are essentially unlimited. 
D)  a population overshoots the carrying capacity and environmental pressures and shortfalls begin to exert their effects. 
E)  the population growth rate slows. 
A)  a population approaches its carrying capacity. 
B)  environmental resistance comes into play gradually. 
C)  resources are essentially unlimited. 
D)  a population overshoots the carrying capacity and environmental pressures and shortfalls begin to exert their effects. 
E)  the population growth rate slows.

Question 7

____________________ is competitive interaction between species for food,space,or other resources.

Accepted Answer

Interspeci

Question 8

The effect of population increase or environmental resistance is not felt instantly in most cases.

Accepted Answer

A) True 
 B)False

Question 9

Humans have extended Earth's carrying capacity for the human species by

Accepted Answer

A)  controlling many diseases. 
B)  using energy resources at a rapid rate. 
C)  increasing food production. 
D)  increasing life span. 
E)  all of these answers 
A)  controlling many diseases. 
B)  using energy resources at a rapid rate. 
C)  increasing food production. 
D)  increasing life span. 
E)  all of these answers

Question 10

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 11

-On the population size as a function of time figure,choose the letter that represents when resources are not limiting and a population can grow at its intrinsic rate of increase.

Accepted Answer

The answer of  
-On the population size as a...

Question 12

How do keystone species differ from foundation species?

Accepted Answer

Foundation species create habi

Question 13

Limiting factors to the biotic potential of species include all but which one?

Accepted Answer

A)  light 
B)  water 
C)  available space 
D)  nutrients 
E)  lifespan 
A)  light 
B)  water 
C)  available space 
D)  nutrients 
E)  lifespan

Question 14

Rats are examples of ____________________ because they reproduce and disperse rapidly and produce many offspring to ensure survival of the species.

Accepted Answer

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

Question 15

When a population overshoots the environment's carrying capacity,species diversity becomes constant.

Accepted Answer

A) True 
 B)False

Question 16

Which stages in the amphibian life cycle is most vulnerable to drought?

Accepted Answer

Life stages where fr

Question 17

A common tick is an example of a(n)____________________.

Accepted Answer

The answer of A common tick is an example of...

-On the natural restoration of disturbed land figure,choose the letter that represents the step in which shrubs grow.

Which of the following is a keystone species?

Two important roles of keystone species are pollination and predation.

All of the following about logistic growth is true except

Describe how a plant species may get its start in an area of primary ecological succession. What major niche or ecological role would these newly established organisms fill?

A population crash occurs when

____________________ is competitive interaction between species for food,space,or other resources.

The effect of population increase or environmental resistance is not felt instantly in most cases.

Humans have extended Earth's carrying capacity for the human species by

The human population of Ireland experienced a major crash as a result of

-On the population size as a function of time figure,choose the letter that represents when resources are not limiting and a population can grow at its intrinsic rate of increase.

How do keystone species differ from foundation species?

Limiting factors to the biotic potential of species include all but which one?

Rats are examples of ____________________ because they reproduce and disperse rapidly and produce many offspring to ensure survival of the species.

When a population overshoots the environment's carrying capacity,species diversity becomes constant.

Which stages in the amphibian life cycle is most vulnerable to drought?

A common tick is an example of a(n)____________________.

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

-On the natural restoration of disturbed land figure,choose the letter that represents the step in which shrubs grow.

Which of the following is a keystone species?

Two important roles of keystone species are pollination and predation.

All of the following about logistic growth is true except

Describe how a plant species may get its start in an area of primary ecological succession. What major niche or ecological role would these newly established organisms fill?

A population crash occurs when

____________________ is competitive interaction between species for food,space,or other resources.

The effect of population increase or environmental resistance is not felt instantly in most cases.

Humans have extended Earth's carrying capacity for the human species by

The human population of Ireland experienced a major crash as a result of

-On the population size as a function of time figure,choose the letter that represents when resources are not limiting and a population can grow at its intrinsic rate of increase.

How do keystone species differ from foundation species?

Limiting factors to the biotic potential of species include all but which one?

Rats are examples of ____________________ because they reproduce and disperse rapidly and produce many offspring to ensure survival of the species.

When a population overshoots the environment's carrying capacity,species diversity becomes constant.

Which stages in the amphibian life cycle is most vulnerable to drought?

A common tick is an example of a(n)____________________.

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