Question 1

Any chemical,physical,or biological change in the environment that harms living organisms is

Accepted Answer

A)  nitrification.
B)  an "upwelling."
C)  deforestation.
D)  ozone depletion.
E)  pollution.F) C) and E)
G) All of the above

Question 2

What was a disadvantage of digging canals in the Everglades?

Accepted Answer

A)  increased cropland
B)  increased flooding during hurricanes
C)  increased risk of algae blooms
D)  increased floodplain wetlands
E)  decreased freshwaterF) A) and B)
G) A) and C)

Question 3

How is tropical deforestation linked to climate change?

Accepted Answer

A)  Burning the forests releases carbon dioxide and transpiration by trees is diminished.
B)  Burning the forests consumes oxygen and transpiration by trees is diminished.
C)  Burning the forests releases carbon dioxide and transpiration by trees is increased.
D)  Burning the forests consumes oxygen and transpiration by trees is increaseD.E) A) and C)
F) B) and C)

Question 4

Greenhouse gases block

Accepted Answer

A)  carbon dioxide from escaping Earth's atmosphere.
B)  oxygen from escaping Earth's atmosphere.
C)  UV wavelengths from reaching Earth's surface.
D)  UV wavelengths from escaping Earth's atmosphere.
E)  heat from escaping Earth's atmospherE.F) A) and B)
G) None of the above

Question 5

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",what explanation do scientists give for decline in amphibians in pristine habitats with little human contact?

Accepted Answer

A)  pollution
B)  fungal infection
C)  habitat loss
D)  over harvesting
E)  competition with exotic speciesF) A) and E)
G) A) and D)

Question 6

One important conservation tool used to restore native populations is to set aside an area and protect it from overexploitation,invasive species,and habitat destruction.

Accepted Answer

A) True 
 B)False

Question 7

Overexploitation is harvesting a species faster than it can reproduce.

Accepted Answer

A) True 
 B)False

Question 8

In the section "Investigating Life:The Case of the Missing Frogs:Is Climate the Culprit?",the disappearance of harlequin frogs from Costa Rica's Monteverde Cloud Forest Preserve was related to oil spills and a bacterial skin infection.

Accepted Answer

A) True 
 B)False

Question 9

Why is deforestation often associated with extreme floods and mud slides?

Accepted Answer

A)  increased rain fall
B)  increased transpiration
C)  decreased nutrient absorption
D)  increased soil erosion
E)  decreased rain fallF) A) and D)
G) B) and E)

Question 10

Which of the following is NOT an invasive species?

Accepted Answer

A)  hydrilla in freshwater
B)  European starlings in North America
C)  the bison in the North American plains
D)  the marine toad in Florida
E)  gypsy moth caterpillars in North AmericaF) A) and D)
G) A) and C)

Question 11

A 2004 study in the journal Nature concluded: "Many plant and animal species are unlikely to survive climate change.New analyses suggest that 15-37% of a sample of 1,103 land plants and animals would eventually become extinct as a result of climate changes expected by 2050.For some of these species there will no longer be anywhere suitable to live." What is the best explanation for this conclusion?

Accepted Answer

A)  Carbon dioxide is toxic to plants.
B)  No plants can survive at high temperatures.
C)  Greenhouse gases will block the amount of light available for photosynthesis.
D)  Temperatures will change faster than plants can adapt.
E)  If animals go extinct the plants that depend on them will go extinct as well.F) B) and E)
G) A) and B)

Question 12

Why is it important to maintain biodiversity?

Accepted Answer

A)  To prevent habitat destruction
B)  To protect species richness
C)  To provide resources to humans
D)  To maintain genetic variation
E)  All answers are correct.F) D) and E)
G) B) and D)

Question 13

Conservation biologists study the preservation of biodiversity.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following is not a "greenhouse gas"?

Accepted Answer

A)  carbon dioxide
B)  methane
C)  nitrous oxide
D)  oxygen
E)  CFCsF) B) and E)
G) None of the above

Question 15

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",a cloud forest is typically a __________ biome.

Accepted Answer

A)  wet,low-elevation
B)  dry,low-elevation
C)  wet,high-elevation
D)  dry,high-elevationE) B) and C)
F) None of the above

Question 16

The greatest threat to the endangered great spotted kiwi of New Zealand is introduced predators.

Accepted Answer

A) True 
 B)False

Question 17

Purple loosestrife are a(an)

Accepted Answer

A)  exotic species.
B)  native species.
C)  consumer.
D)  parasite.
E)  beneficial species.F) All of the above
G) B) and E)

Question 18

To be considered ______,an introduced species must begin breeding in its new location and spread widely from its point of introduction.

Accepted Answer

A)  resourceful
B)  harmful
C)  native
D)  dominant
E)  invasiveF) B) and C)
G) None of the above

Question 19

Which of the following is NOT an effect of climate change on biodiversity?

Accepted Answer

A)  decrease in sea level
B)  warming of ocean
C)  loss of polar ice caps
D)  spread of tropical species to higher latitudes
E)  greater spread of diseaseF) A) and D)
G) C) and E)

Question 20

Which of the following is not one of the world's endangered species?

Accepted Answer

A)  Sumatran rhino
B)  California condor
C)  zebra mussel
D)  harlequin frog
E)  staghorn coralF) B) and D)
G) D) and E)

Exam 20: Preserving Biodiversity

Which of the following is not one of the world's endangered species?

Correct Answer
verified

Conservation biologists study the preservation of biodiversity.

Correct Answer
verified

Purple loosestrife are a(an)

Correct Answer
verified

What was a disadvantage of digging canals in the Everglades?

Correct Answer
verified

Correct Answer
verified

Why is it important to maintain biodiversity?

Correct Answer
verified

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",what explanation do scientists give for decline in amphibians in pristine habitats with little human contact?

Correct Answer
verified

How is tropical deforestation linked to climate change?

Correct Answer
verified

The greatest threat to the endangered great spotted kiwi of New Zealand is introduced predators.

Correct Answer
verified

Any chemical,physical,or biological change in the environment that harms living organisms is

Correct Answer
verified

In the section "Investigating Life:The Case of the Missing Frogs:Is Climate the Culprit?",the disappearance of harlequin frogs from Costa Rica's Monteverde Cloud Forest Preserve was related to oil spills and a bacterial skin infection.

Correct Answer
verified

Which of the following is NOT an invasive species?

Correct Answer
verified

Which of the following is NOT an effect of climate change on biodiversity?

Correct Answer
verified

Overexploitation is harvesting a species faster than it can reproduce.

Correct Answer
verified

Why is deforestation often associated with extreme floods and mud slides?

Correct Answer
verified

One important conservation tool used to restore native populations is to set aside an area and protect it from overexploitation,invasive species,and habitat destruction.

Correct Answer
verified

Which of the following is not a "greenhouse gas"?

Correct Answer
verified

To be considered ______,an introduced species must begin breeding in its new location and spread widely from its point of introduction.

Correct Answer
verified

Greenhouse gases block

Correct Answer
verified

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",a cloud forest is typically a __________ biome.

Correct Answer
verified

Exam 20: Preserving Biodiversity

Which of the following is not one of the world's endangered species?

Correct AnswerverifiedShow Answer

Conservation biologists study the preservation of biodiversity.

Correct AnswerverifiedShow Answer

Purple loosestrife are a(an)

Correct AnswerverifiedShow Answer

What was a disadvantage of digging canals in the Everglades?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Why is it important to maintain biodiversity?

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",what explanation do scientists give for decline in amphibians in pristine habitats with little human contact?

Correct AnswerverifiedShow Answer

How is tropical deforestation linked to climate change?

Correct AnswerverifiedShow Answer

The greatest threat to the endangered great spotted kiwi of New Zealand is introduced predators.

Correct AnswerverifiedShow Answer

Any chemical,physical,or biological change in the environment that harms living organisms is

Correct AnswerverifiedShow Answer

In the section "Investigating Life:The Case of the Missing Frogs:Is Climate the Culprit?",the disappearance of harlequin frogs from Costa Rica's Monteverde Cloud Forest Preserve was related to oil spills and a bacterial skin infection.

Correct AnswerverifiedShow Answer

Which of the following is NOT an invasive species?

Correct AnswerverifiedShow Answer

Which of the following is NOT an effect of climate change on biodiversity?

Correct AnswerverifiedShow Answer

Overexploitation is harvesting a species faster than it can reproduce.

Correct AnswerverifiedShow Answer

Why is deforestation often associated with extreme floods and mud slides?

Correct AnswerverifiedShow Answer

One important conservation tool used to restore native populations is to set aside an area and protect it from overexploitation,invasive species,and habitat destruction.

Correct AnswerverifiedShow Answer

Which of the following is not a "greenhouse gas"?

Correct AnswerverifiedShow Answer

To be considered ______,an introduced species must begin breeding in its new location and spread widely from its point of introduction.

Correct AnswerverifiedShow Answer

Greenhouse gases block

Correct AnswerverifiedShow Answer

In the section "Investigating Life: The Case of the Missing Frogs: Is Climate the Culprit?",a cloud forest is typically a __________ biome.

Correct AnswerverifiedShow Answer

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