Question 1

What are the characteristics of a successful invader species?

Accepted Answer

The answer of What are the characteristics of a successful...

Question 2

What has nearly driven prairie dogs to extinction?

Accepted Answer

A)  coyotes 
B)  shotguns and rifles 
C)  poison 
D)  imported black-footed ferrets

Question 3

Biological diversity is an invaluable and irreplaceable resource.

Accepted Answer

A) True 
 B)False

Question 4

Which island would likely have the largest number of species?

Accepted Answer

A)  a medium-sized island in the middle of an island chain 
B)  a small island far removed from other sites 
C)  a large island far removed from other sites 
D)  a large island near the mainland

Question 5

______________________________ serves many purposes,such as allowing more control over breeding in order to avoid inbreeding,and facilitating educational and public awareness programs.

Accepted Answer

The answer of ______________________________ serves many purposes,such as allowing more...

Question 6

What rule should be applied before a non-native species is introduced to an ecosystem or habitat?

Accepted Answer

A)  the first law of thermodynamics 
B)  the law of common property 
C)  the law of supply and demand 
D)  the precautionary principle

Question 7

Habitat destruction can be counteracted by reconciliation ecology.

Accepted Answer

A) True 
 B)False

Question 8

Which term is synonymous with illegal hunting for profit?

Accepted Answer

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

Question 9

What may occur as a result of importing exotic birds for use as household pets?

Accepted Answer

A)  a 20% animal death rate 
B)  improved health of the pet owner 
C)  the species becoming endangered or threatened 
D)  increased tourist revenues in the exporting countries

Question 10

A(n)______________________________ represents a major collapse of biodiversity and ecosystems,which in turn leads to changes in the composition and distribution of life on Earth.

Accepted Answer

The answer of A(n)______________________________ represents a major collapse of biodiversity...

Question 11

Which bird species did ornithologist John Audubon observe in the early 1800s in a flock that he estimated was 16 kilometres wide and hundreds of kilometres long and consisted of perhaps a billion birds?

Accepted Answer

A)  Carolina parakeets 
B)  sparrows 
C)  starlings 
D)  passenger pigeons

Question 12

What has a greater chance of occurring when a population size drops to a critical population density?

Accepted Answer

A)  a smaller gene pool and outbreeding 
B)  a larger gene pool and outbreeding 
C)  a smaller gene pool and inbreeding 
D)  a larger gene pool and inbreeding

Question 13

In what year did the passenger pigeon become extinct?

Accepted Answer

A)  1874 
B)  1894 
C)  1914 
D)  1934

Question 14

Which term did biologist E.O.Wilson give to the sense of affinity that most people feel toward the natural world?

Accepted Answer

A)  technophobia 
B)  biophobia 
C)  technophilia 
D)  biophilia

Question 15

Which of the following "values" do species have,according to people who believe that wild species have an inherent right to exist?

Accepted Answer

A)  extrinsic value 
B)  intrinsic value 
C)  economic value 
D)  utilitarian value

Question 16

What is the most significant difference between the current extinction crisis and previous mass extinctions?

Accepted Answer

A)  Recovery is likely to be faster because of genetic engineering. 
B)  It is taking place at a slower rate. 
C)  It is caused by the human species. 
D)  Ecosystems that store genes for future generations have been protected.

Question 17

Which animal has a role in the propagation of cashews,avocados,and bananas?

Accepted Answer

A)  the hummingbird 
B)  the bat 
C)  the bee 
D)  the manatee

Question 18

What is an extirpated species?

Accepted Answer

A)  It is a species that is in serious jeopardy and facing imminent extinction. 
B)  It is a species that is likely to become endangered if present trends continue. 
C)  It is a species that no longer exists in Canada but is found in other parts of the world. 
D)  It is a species with biological characteristics that, when combined with other factors, could cause it to become threatened.

Question 19

One of the causes of depletion of the environment is human population growth.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements is NOT true about the situation of illegal wildlife smuggling?

Accepted Answer

A)  Poverty is a key reason that people in LDCs indulge in this activity. 
B)  Most poachers are not caught. 
C)  Black market demands soar when a species becomes endangered. 
D)  Exotic animals are safer now that they have more economic value since more money is available for managing them.e

Exam 12: Sustaining Biodiversity: the Species Approach

What are the characteristics of a successful invader species?

What has nearly driven prairie dogs to extinction?

Biological diversity is an invaluable and irreplaceable resource.

Which island would likely have the largest number of species?

______________________________ serves many purposes,such as allowing more control over breeding in order to avoid inbreeding,and facilitating educational and public awareness programs.

What rule should be applied before a non-native species is introduced to an ecosystem or habitat?

Habitat destruction can be counteracted by reconciliation ecology.

Which term is synonymous with illegal hunting for profit?

What may occur as a result of importing exotic birds for use as household pets?

A(n)______________________________ represents a major collapse of biodiversity and ecosystems,which in turn leads to changes in the composition and distribution of life on Earth.

Which bird species did ornithologist John Audubon observe in the early 1800s in a flock that he estimated was 16 kilometres wide and hundreds of kilometres long and consisted of perhaps a billion birds?

What has a greater chance of occurring when a population size drops to a critical population density?

In what year did the passenger pigeon become extinct?

Which term did biologist E.O.Wilson give to the sense of affinity that most people feel toward the natural world?

Which of the following "values" do species have,according to people who believe that wild species have an inherent right to exist?

What is the most significant difference between the current extinction crisis and previous mass extinctions?

Which animal has a role in the propagation of cashews,avocados,and bananas?

What is an extirpated species?

One of the causes of depletion of the environment is human population growth.

Which of the following statements is NOT true about the situation of illegal wildlife smuggling?