Question 1

-On the population size as a function of time figure,choose the letter that represents limiting abiotic factors.

Accepted Answer

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

Question 2

Which of the following exemplifies a high intrinsic rate of increase strategy?

Accepted Answer

A)  human 
B)  housefly 
C)  rhinoceros 
D)  saguaro cactus 
E)  cow 
A)  human 
B)  housefly 
C)  rhinoceros 
D)  saguaro cactus 
E)  cow

Question 3

Population change is measured by all but which factor?

Accepted Answer

A)  birth 
B)  death 
C)  immigration 
D)  emigration 
E)  illegal immigrants 
A)  birth 
B)  death 
C)  immigration 
D)  emigration 
E)  illegal immigrants

Question 4

Population size is governed by all of the following except

Accepted Answer

A)  births. 
B)  deaths. 
C)  immigration. 
D)  colonization. 
E)  emigration. 
A)  births. 
B)  deaths. 
C)  immigration. 
D)  colonization. 
E)  emigration.

Question 5

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)

Question 6

-Which age-structure diagram represents a population expanding slowly?

Accepted Answer

The answer of  
-Which age-structure diagram represents a population...

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

In modeling ____________________,one may assume that the growth rate of each species will be decreased as the population of its competitors increases.

Accepted Answer

interspeci

Question 9

Biotic potential is determined by all of the following except

Accepted Answer

A)  reproductive age span. 
B)  litter size. 
C)  how many offspring survive to reproductive age. 
D)  average female body size. 
E)  available resources. 
A)  reproductive age span. 
B)  litter size. 
C)  how many offspring survive to reproductive age. 
D)  average female body size. 
E)  available resources.

Question 10

An organism with a "many young" strategy generally

Accepted Answer

A)  has a low biotic potential. 
B)  is small and short lived. 
C)  gives much parental care to its offspring. 
D)  is not very adaptable to change. 
E)  is large and long lived. 
A)  has a low biotic potential. 
B)  is small and short lived. 
C)  gives much parental care to its offspring. 
D)  is not very adaptable to change. 
E)  is large and long lived.

Question 11

Mutualistic associations exchange benefits and fortified weaknesses of species' adaptive strategies.

Accepted Answer

A) True 
 B)False

Question 12

Carrying capacity refers to

Accepted Answer

A)  reproductive rate. 
B)  interaction of natality and mortality. 
C)  the maximum size of population the environment will support. 
D)  the proportion of males to females. 
E)  the intrinsic rate of increase. 
A)  reproductive rate. 
B)  interaction of natality and mortality. 
C)  the maximum size of population the environment will support. 
D)  the proportion of males to females. 
E)  the intrinsic rate of increase.

Question 13

Factors affecting death rates include all but which one?

Accepted Answer

A)  longevity 
B)  healthcare 
C)  nutrition 
D)  emigration 
E)  sanitation 
A)  longevity 
B)  healthcare 
C)  nutrition 
D)  emigration 
E)  sanitation

Question 14

Forms of nondestructive behavior between organisms include all of the following except

Accepted Answer

A)  resource partitioning. 
B)  sharing resources by looking for food in different places. 
C)  parasitism. 
D)  mutualism. 
E)  commensalism. 
A)  resource partitioning. 
B)  sharing resources by looking for food in different places. 
C)  parasitism. 
D)  mutualism. 
E)  commensalism.

Question 15

The diagram above shows the life stages of a frog that begin in water (egg, tadpole) and end on land (young frog, adult frog).
-Which stages in the amphibian life cycle is most vulnerable to the harmful effects of increased ultraviolet radiation?

Accepted Answer

Life stages where frog is on l

Question 16

Which of the following would undergo secondary succession?

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 17

Species that serve as early warnings of environmental change are called

Accepted Answer

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

Question 18

-On the logistic growth of a sheep figure,choose the portion of the curve that result from reproductive time lag.

Accepted Answer

The answer of  
-On the logistic growth of a...

Question 19

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

Question 20

The role that a species plays within its ecosystem can be described as native,non-native,indicator,keystone or foundation species.

Accepted Answer

A) True 
 B)False

-On the population size as a function of time figure,choose the letter that represents limiting abiotic factors.

Which of the following exemplifies a high intrinsic rate of increase strategy?

Population change is measured by all but which factor?

Population size is governed by all of the following except

Population change =

-Which age-structure diagram represents a population expanding slowly?

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

In modeling ____________________,one may assume that the growth rate of each species will be decreased as the population of its competitors increases.

Biotic potential is determined by all of the following except

An organism with a "many young" strategy generally

Mutualistic associations exchange benefits and fortified weaknesses of species' adaptive strategies.

Carrying capacity refers to

Factors affecting death rates include all but which one?

Forms of nondestructive behavior between organisms include all of the following except

The diagram above shows the life stages of a frog that begin in water (egg, tadpole) and end on land (young frog, adult frog). -Which stages in the amphibian life cycle is most vulnerable to the harmful effects of increased ultraviolet radiation?

Which of the following would undergo secondary succession?

Species that serve as early warnings of environmental change are called

-On the logistic growth of a sheep figure,choose the portion of the curve that result from reproductive time lag.

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

The role that a species plays within its ecosystem can be described as native,non-native,indicator,keystone or foundation species.

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 population size as a function of time figure,choose the letter that represents limiting abiotic factors.

Which of the following exemplifies a high intrinsic rate of increase strategy?

Population change is measured by all but which factor?

Population size is governed by all of the following except

Population change =

-Which age-structure diagram represents a population expanding slowly?

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

In modeling ____________________,one may assume that the growth rate of each species will be decreased as the population of its competitors increases.

Biotic potential is determined by all of the following except

An organism with a "many young" strategy generally

Mutualistic associations exchange benefits and fortified weaknesses of species' adaptive strategies.

Carrying capacity refers to

Factors affecting death rates include all but which one?

Forms of nondestructive behavior between organisms include all of the following except

The diagram above shows the life stages of a frog that begin in water (egg, tadpole) and end on land (young frog, adult frog). -Which stages in the amphibian life cycle is most vulnerable to the harmful effects of increased ultraviolet radiation?

Which of the following would undergo secondary succession?

Species that serve as early warnings of environmental change are called

-On the logistic growth of a sheep figure,choose the portion of the curve that result from reproductive time lag.

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

The role that a species plays within its ecosystem can be described as native,non-native,indicator,keystone or foundation species.

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