Deck 17: Preserving Biodiversity Through Conservation Biology

Question 1

The bald eagle became an endangered species because of

A) hunting.
B) pesticide use.
C) droughts.
D) hunting and pesticide use.

Answer 1

D

Question 2

Bioaccumulation occurs when an animal ingests

A) an animal who has eaten toxic materials.
B) a plant that has absorbed toxins.
C) toxins directly from the environment.
D) all of these

Answer 2

D

Question 3

Siberian tigers and grizzly bears became endangered for __________ reason(s); ____________________.

A) different; tigers encountered disease and bears were overhunted
B) different; bears encountered disease and tigers were overhunted
C) the same; both encountered disease
D) the same; both were overhunted

Answer 3

D

Question 4

Today, the western Asia population of Siberian tigers is

A) doing fine.
B) threatened.
C) endangered.
D) extinct.

Question 5

Which category had the highest amount of endangered species in 2012?

A) amphibians
B) insects
C) mammals
D) plants

Question 6

An example of an ecosystem "good" is __________, and an example of an ecosystem "service" is __________.

A) cleansing of air; cleansing of water
B) food; storage of minerals
C) storage of minerals; food
D) tourism; medicines

Question 7

Which of the following countries does not contain any biodiversity hotspots?

A) Brazil
B) Canada
C) Cuba
D) New Zealand

Question 8

The primary difficulty of white-tailed deer populations in the eastern U.S. is

A) disease.
B) habitat fragmentation.
C) increased numbers of animal predators.
D) pesticide poisoning.

Question 9

Currently, there are bald eagles living in _____ states.

A) 28
B) 48
C) 49
D) 50

Question 10

Genetic manipulation techniques have been most successful in __________ populations.

A) California condor
B) plant
C) panda
D) snail darter

Question 11

The main reason why the numbers of black-footed ferrets decreased rapidly is

A) decreased populations of prairie dogs.
B) decreased numbers of whitebark pine berries.
C) habitat disruptions.
D) hunting.

Question 12

Which of the following statements is true?

A) If the numbers of a population decrease, an endangered species may be reclassified as a threatened species.
B) If the numbers of a population decrease, a threatened species may be reclassified as an endangered species.
C) If the numbers of a population increase, a threatened species may be reclassified as an endangered species.
D) The terms threatened species and endangered species mean the same thing.

Question 13

A blight has destroyed nearly all the __________ trees in the U.S.

A) chestnut
B) oak
C) pine
D) poplar

Question 14

The animal group with the highest biodiversity in the Amazon basin is

A) amphibians.
B) birds.
C) insects.
D) mammals.

Question 15

An example of an invasive species is the __________.

A) bald eagle
B) black-footed ferret
C) snail darter
D) zebra mussel

Question 16

Zebra mussels, an imported species, have disrupted the ecology of

A) Tennessee.
B) the Great Lakes.
C) the West Coast of the U.S.
D) Yellowstone Park.

Question 17

What is the primary method by which zebra mussels have traveled beyond the Great Lakes?

A) attached to animals
B) attached to boats
C) attached to plants
D) via water currents

Question 18

Which of the following endangered animals prevented the building of a dam in Tennessee?

A) bald eagles
B) California condors
C) snail darters
D) zebra mussels

Question 19

The animal group with the highest biodiversity in the Great Barrier Reef is __________.

A) birds
B) coral
C) fish
D) mollusks

Question 20

Which of the following would not be considered an ecosystem service?

A) cleaning the air
B) maintaining water cycling
C) pollinating plants
D) tourism

Question 21

Blister rust is an invasive disease that most impacts the __________ population.

A) American chestnut tree
B) bald eagle
C) grizzly bear
D) Siberian tiger

Question 22

If you add together all the numbers of endangered or threatened animal species, it would be __________ the number of endangered or threatened plants.

A) less than
B) equal to
C) more than
D) This data has not been collected.

Question 23

In order for a species to be successfully reintroduced into an area,

A) hunting must be restricted.
B) populations of the animals cannot be too small.
C) suitable habitat must be maintained.
D) all of these

Question 24

Genetic manipulation has been useful in restoring the numbers of __________ in the United States.

A) black-footed ferrets
B) chestnut trees
C) California condors
D) Siberian tigers

Question 25

Which type of environment would contain the most biodiversity?

A) arctic
B) continental U.S.
C) desert
D) tropical rainforest

Question 26

Using a plant for food would be an example of an ecosystem

A) good.
B) process.
C) service.
D) all of these

Question 27

Which category of animals had the most threatened and endangered species in 2012?

A) birds
B) fishes
C) insects
D) reptiles

Question 28

Overpasses and underpasses can be constructed to help animals that are the victims of

A) bioaccumulation.
B) biodiversity.
C) extinction.
D) habitat fragmentation.

Question 29

When does a species become classified as endangered?

A) when less than 100 remain
B) when less than 500 remain
C) when less than 1000 remain
D) There are no definitive guidelines for classifying a species as endangered.

Question 30

The Endangered Species Act became a law in __________.

A) 1973
B) 1983
C) 1993
D) 2003

Question 31

In which category would you place soil quality?

A) ecosystem goods
B) ecosystem processes
C) ecosystem services
D) none of these

Question 32

Currently, genetic manipulation is used to increase the numbers of endangered __________.

A) fishes
B) insects
C) mammals
D) plants

Question 33

DDT is a(n)

A) blight that affects American chestnut trees.
B) endangered plant species.
C) pesticide.
D) wildlife refuge area in Yellowstone National Park.

Question 34

Conservationists prevented the construction of a __________ in order to save endangered snail darters.

A) dam
B) highway
C) national park
D) overpass

Question 35

What organisms are most often displaced by the invasive species of zebra mussels?

A) Chinook salmon
B) coral reefs
C) other mussel species
D) snail darters

Question 36

Genetic manipulation has enabled chestnut trees to

A) develop resistance to a blight.
B) develop resistance to insects.
C) flower earlier in the season.
D) grow faster.

Question 37

Conservation biologists are specifically attempting to repopulate _______________ in the Greater Yellowstone Ecosystem.

A) American chestnut and whitebark pine trees
B) bald eagles and Chinook salmon
C) black-footed ferrets and prairie dogs
D) grizzly bears and gray wolves

Question 38

Why do scientists breed American chestnut trees with Chinese chestnut trees?

A) to enable them to survive droughts
B) to enable them to survive floods
C) to make them resistant to disease
D) to make them resistant to insects

Question 39

U.S. passenger pigeon populations are

A) healthy.
B) threatened.
C) endangered.
D) extinct.

Question 40

Adult zebra mussels are __________, and they are __________ when in the early stages.

A) invisible; invisible
B) invisible; visible
C) visible; invisible
D) visible; visible

Question 41

Why do you think that endangered plants and some animals receive very little attention from the public?

A) The organisms are not strong enough to survive.
B) People are more apt to be concerned about the status of "cute" animal populations.
C) They are not important members of a food web.
D) They are not well suited to the environment.

Question 42

Kudzu is an invasive plant that was intentionally introduced into the U.S. from Japan in 1876. It was initially planted to help curb erosion and to serve as a food source for animals. However, kudzu, which some call the "mile a minute vine," grew out of control. It grew over trees, cars, buildings, and power lines! Kudzu grows approximately 150,000 acres per year! Scientists are trying to slow down the invasion of kudzu by a variety of methods, as follows: Method A: burning and cutting kudzu; reduces growth by 20 percent Method B: infecting the kudzu with a fungus; reduces growth by 40 percent Method C: use of an herbicide; reduces growth by 60 percent What would be the difference between the growth of kudzu by method B and method C in one year?

A) 30,000 acres
B) 60,000 acres
C) 90,000 acres
D) 120,000 acres

Question 43

Why is it difficult for small isolated populations of animals to thrive?

A) There would be less genetic diversity.
B) They would have difficulty finding a mate.
C) They are vulnerable to disease.
D) all of these

Question 44

Kudzu is an invasive plant that was intentionally introduced into the U.S. from Japan in 1876. It was initially planted to help curb erosion and to serve as a food source for animals. However, kudzu, which some call the "mile a minute vine," grew out of control. It grew over trees, cars, buildings, and power lines! Kudzu grows approximately 150,000 acres per year! Scientists are trying to slow down the invasion of kudzu by a variety of methods, as follows: Method A: burning and cutting kudzu; reduces growth by 20 percent Method B: infecting the kudzu with a fungus; reduces growth by 40 percent Method C: use of an herbicide; reduces growth by 60 percent If method A is initiated, what would be the annual growth of kudzu?

A) 15,000 acres
B) 30,000 acres
C) 120,000 acres
D) 240,000 acres

Question 45

Kudzu is an invasive plant that was intentionally introduced into the U.S. from Japan in 1876. It was initially planted to help curb erosion and to serve as a food source for animals. However, kudzu, which some call the "mile a minute vine," grew out of control. It grew over trees, cars, buildings, and power lines! Kudzu grows approximately 150,000 acres per year! Scientists are trying to slow down the invasion of kudzu by a variety of methods, as follows: Method A: burning and cutting kudzu; reduces growth by 20 percent Method B: infecting the kudzu with a fungus; reduces growth by 40 percent Method C: use of an herbicide; reduces growth by 60 percent If method B is utilized, how much less kudzu will grow that year?

A) 30,000 acres
B) 60,000 acres
C) 90,000 acres
D) 120,000 acres

Question 46

How does the blister rust impact the Yellowstone ecosystem?

A) It reduces the availability of whitebark berries.
B) It reduces the numbers of grizzly bears.
C) It reduces the numbers of gray wolves.
D) all of these

Question 47

Which of the following statements is correct?

A) All biodiversity hotspots are protected areas.
B) All seven continents have biodiversity hotspots.
C) Most biodiversity hotspots are near the equator.
D) North America has the most biodiversity hotspots.

Question 48

In 1962, Rachel Carson authored a revolutionary book entitled The Silent Spring . This publication dealt with the fact that many bird species in particular areas were not surviving because their shells were abnormally thin. The book title refers to the fact that with the decreasing bird populations, the springtime could indeed be "silent." How would you go about discovering the cause of this anomaly? What changes do you think occurred as a result of Carson's book?

Question 49

Why would environmentalists nurture baby California condors by the use of puppets?

A) If they were directly touched by humans, other condors might detect a human odor.
B) They need to learn certain behaviors before they are free in the environment.
C) There are not many adult condors available to nurture them.
D) all of these

Question 50

Observe the figure below. Can you make any conclusions about the spreading of zebra mussels throughout the country?

A) It appears that people intentionally carry them from place to place.
B) They are spread via infected fruit.
C) Since connected watersheds appear to contain zebra mussels, one could assume that they travel by attaching to boats.
D) Zebra mussels are capable of traveling long distances on their own.

Question 51

Kudzu is an invasive plant that was intentionally introduced into the U.S. from Japan in 1876. It was initially planted to help curb erosion and to serve as a food source for animals. However, kudzu, which some call the "mile a minute vine," grew out of control. It grew over trees, cars, buildings, and power lines! Kudzu grows approximately 150,000 acres per year! Scientists are trying to slow down the invasion of kudzu by a variety of methods, as follows: Method A: burning and cutting kudzu; reduces growth by 20 percent Method B: infecting the kudzu with a fungus; reduces growth by 40 percent Method C: use of an herbicide; reduces growth by 60 percent What other factor(s) must be considered when deciding on a method of kudzu control?

A) Would the burning of kudzu serve as a major pollutant?
B) Would infecting the kudzu with a fungus harm other native species?
C) Would the herbicide harm other native species?
D) all of these