Question 1

Egg pulling refers to ____.

Accepted Answer

A)   techniques used to extend the breeding span of captured birds
B)   collecting eggs from the wild and hatching them
C)   using fertility drugs to increase the number of eggs
D)   production of hybrids in captive breeding programs
E)   collecting unfertilized eggs from ovaries of wild animals B

Question 2

Illegal hunting for profit is called ____.

Accepted Answer

A)   subsistence hunting
B)   sport hunting
C)   commercial hunting
D)   poaching
E)   pilfering D

Question 3

The ____________________ has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.

Accepted Answer

National Marine Fisheries Service

Question 4

The only major group of species that have escaped increasing extinction threat are the primates,where less than 10% are currently threatened with extinction.

Accepted Answer

A) True 
 B)False

Question 5

We know that the introduction of nonnative species often results in unforeseen consequences.This indicates that when introducing nonnative species,we would be well advised to apply the

Accepted Answer

A)   law of action and reaction
B)   Occam's razor
C)   precautionary principle
D)   cautionary concept
E)   natural order concept

Question 6

In ____________________ some or all of the individuals of a critically endangered species are collected for breeding so their offspring can be introduced to the wild

Accepted Answer

The answer of In ____________________ some or all of the...

Question 7

In terms of habitat destruction,the greatest eliminator of species is the ____.

Accepted Answer

A)   pollution of streams,lakes,and oceans
B)   destruction of coral reefs
C)   destruction of wetlands
D)   plowing of grasslands
E)   deforestation in tropical areas

Question 8

The ____________________ suggests we should take measures to prevent or reduce harm to the environment and human health even if some of the cause-and-effect relationships have not been fully established scientifically.

Accepted Answer

The answer of The ____________________ suggests we should take measures...

Question 9

Some toxic chemicals,such as those in DDT,can be stored in the fat tissue of animals.As these animals become food for larger and larger animals,the amount of the toxin gets larger and larger.What is this process called?

Accepted Answer

A)   biophilia
B)   biosphere
C)   biotechnology
D)   biomagnification
E)   iophosphoresence

Question 10

We should act to prevent premature extinction of species,in part because they contribute to ____________________,those services that support our economies.

Accepted Answer

The answer of We should act to prevent premature extinction...

Question 11

All mass extinctions thus far have been caused by natural phenomena that drastically changed environmental conditions.

Accepted Answer

A) True 
 B)False

Question 12

During this century,with global climate change and other human activities,the current extinction rate could reach ____________________ times the background rate of extinction.

Accepted Answer

The answer of During this century,with global climate change and...

Question 13

Four of the following are ways that the pressure can be taken off of some endangered species;one is not.Choose the one that is not.

Accepted Answer

A)   Seed banks to allow retention of plant properties.
B)   Botanical gardens grow living endangered plants.
C)   Gene banks to preserve genetic information.
D)   Harvesting endangered species to preserve their skins and bones.
E)   Raising endangered and threatened species on farms for commercial sale.

Question 14

Which statement about the introduction of non-native species is false?

Accepted Answer

A)   This is the second largest threat to animal and plant ecosystems.
B)   Non-native species provide no benefits tin their new habitats.
C)   Introduced species do not have natural predators in their new ecosystem.
D)   Non-native trees are grown in 85% of the world's tree plantations.
E)   Invasive species rarely cause global extinctions of other species.

Question 15

What group of animals receives the most protection by the use of wildlife refuges?

Accepted Answer

A)   small mammals
B)   migratory waterfowl
C)   large mammals
D)   songbirds
E)   reptiles

Question 16

Which invasive species threatens the Florida Everglades?

Accepted Answer

A)   kudzu
B)   pythons
C)   zebra mussels
D)   nutrias
E)   sea lampreys

Question 17

The Convention on Biological Diversity,ratified by 191 countries,seeks to reverse the global decline of biodiversity and share the benefits from the use of genetic resources.What has slowed this progress?

Accepted Answer

A)   penalties too severe for violators
B)   harsh enforcement mechanisms
C)   the lack of ratification by the U.S.
D)   focusing on ecosystems rather than individuals
E)   consideration for the traditions of indigenous peoples

Question 18

Burmese and African ____________________ along with several other similar species,have ended up in the Everglades in Florida,after being released by their owners because they did not make good pets.

Accepted Answer

The answer of Burmese and African ____________________ along with several...

Question 19

According to biological and fossil evidence,all species eventually become extinct.

Accepted Answer

A) True 
 B)False

Question 20

When the Endangered Species Act was established in 1973,the list included 92 U.S.species.In 2010,that number had risen to ____.

Accepted Answer

A)   356
B)   507
C)   770
D)   1,000
E)   1,394

Exam 9: Sustaining Biodiversity: The Species Approach

Egg pulling refers to ____.

Illegal hunting for profit is called ____.

The ____________________ has the responsibility for identifying and listing endangered and threatened oceans species under the ESA of 1973.

The only major group of species that have escaped increasing extinction threat are the primates,where less than 10% are currently threatened with extinction.

We know that the introduction of nonnative species often results in unforeseen consequences.This indicates that when introducing nonnative species,we would be well advised to apply the

In ____________________ some or all of the individuals of a critically endangered species are collected for breeding so their offspring can be introduced to the wild

In terms of habitat destruction,the greatest eliminator of species is the ____.

The ____________________ suggests we should take measures to prevent or reduce harm to the environment and human health even if some of the cause-and-effect relationships have not been fully established scientifically.

Some toxic chemicals,such as those in DDT,can be stored in the fat tissue of animals.As these animals become food for larger and larger animals,the amount of the toxin gets larger and larger.What is this process called?

We should act to prevent premature extinction of species,in part because they contribute to ____________________,those services that support our economies.

All mass extinctions thus far have been caused by natural phenomena that drastically changed environmental conditions.

During this century,with global climate change and other human activities,the current extinction rate could reach ____________________ times the background rate of extinction.

Four of the following are ways that the pressure can be taken off of some endangered species;one is not.Choose the one that is not.

Which statement about the introduction of non-native species is false?

What group of animals receives the most protection by the use of wildlife refuges?

Which invasive species threatens the Florida Everglades?

The Convention on Biological Diversity,ratified by 191 countries,seeks to reverse the global decline of biodiversity and share the benefits from the use of genetic resources.What has slowed this progress?

Burmese and African ____________________ along with several other similar species,have ended up in the Everglades in Florida,after being released by their owners because they did not make good pets.

According to biological and fossil evidence,all species eventually become extinct.

When the Endangered Species Act was established in 1973,the list included 92 U.S.species.In 2010,that number had risen to ____.