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Biology, 6/e
Author Dr. George B. Johnson, Washington University
Author Dr. Peter H. Raven, Missouri Botanical Gardens & Washington University
Contributor Dr. Susan Singer, Carleton College
Contributor Dr. Jonathan Losos, Washington University

Conservation Biology

Multiple Choice Quiz

Please answer all questions



1

The region with the highest number of endemic species overall is
A)Philippines
B)Madagascar
C)Brazil
D)S.W. Australia
2

The most pervasive form of habitat disruption is
A)urban development
B)clear-cutting forests
C)grazing
D)industrial development
3

A reduction of habitat area of 90% would result in a species loss of
A)90%
B)25%
C)50%
D)10%
4

The environment most vulnerable to pollution is
A)aquatic
B)forest
C)soil
D)grassland
5

As habitats become fragmented, the amount of edge effect
A)increases
B)decreases
C)remains the same
D)is irrelevant
6

With respect to preservation areas,
A)small ones are best
B)large ones are needed
C)the size is less important than the number
D)all that matters is what is being preserved
7

A species of whales that has fully recovered its numbers is the
A)humpback whale
B)blue whale
C)sperm whale
D)Pacific gray whale
8

The cichlid species of Lake Victoria were driven to, or nearly to, extinction by the introduction of
A)Nile perch
B)North American sturgeon
C)bass
D)eels
9

The event that triggered the explosive development of the Nile perch population in Lake Victoria was
A)floods
B)eutrophication
C)drought
D)the introduction of new food
10

The most prairie dog habitat area can be found in
A)Arizona
B)New Mexico
C)Wyoming
D)Montana
11

The last wild colony of black-footed ferrets is in
A)South Dakota
B)Meeteese, Wyoming
C)New Mexico
D)None of the above. They have all died.
12

The original decline of the Illinois prairie chicken was due to the advent of the
A)automobile
B)steel plow
C)shotgun
D)manure spreader
13

Conservation efforts to revive the Illinois prairie chicken were threatened by
A)lack of genetic variability
B)lack of sanctuary
C)pesticides
D)drought
14

The major cause of loss of numbers of migratory birds is
A)pesticides
B)fragmentation or loss of habitat
C)urbanization
D)bad weather
15

American redstart population declined nationwide in a single decade by
A)30%
B)70%
C)25%
D)50%
16

Scientists studying migratory birds measured the blood levels of 13C as an indication of
A)exposure to ultraviolet light
B)the radioactivity of their winter habitat
C)the quality of the food in their winter habitat
D)the quality of the air they migrated through
17

No restoration is purely pristine because
A)the public will not support it
B)politicians will not support it
C)no one knows what species to restore it with
D)no sites are available
18

The extinction of the peregrine falcon in the eastern United States was caused by
A)loss of habitat
B)pesticides
C)loss of food supply
D)predation
19

The question unanswered by the breeders of captive California condors is
A)will they mate in captivity?
B)can they survive when released?
C)is there suitable habitat into which to release them?
D)will the released birds reproduce in the wild?
20

A major benefit to come from the release of wolves into the Yellowstone National Park is
A)increased numbers of elk
B)control of coyotes that kill cattle
C)control of the explosive population growth of domestic cats that menace campgrounds
D)control of the grizzly bears
21

Surviving individuals of all species of rhinoceros amount to less than
A)20,000
B)11,000
C)5,000
D)1,000
22

Since 1600 A.D., the most recorded extinctions have occurred among
A)flowering plants
B)mammals
C)birds
D)amphibians
23

The value of biodiversity falls into the categories of
A)aesthetic, ethical, and indirect economic
B)direct economic, indirect economic, aesthetic, and ethical
C)direct and indirect economic
D)aesthetic and ethical
24

To determine how the size of a population influences its risk of extinction, conservation biologists use
A)minimum viable population (MVP) determination
B)maximum viable population (MVP) determination
C)median viable population (MVP) determination
D)population variability analysis
25

Categories of species vulnerable to extinction include all of the following except those that
A)have high genetic variability
B)are hunted or harvested by people
C)have a declining population size
D)are local endemic species
26

Of the various factors responsible for extinction in the Americas, the greatest is
A)predation
B)introduced species
C)overexploitation
D)habitat loss