Question 1

A ____________________ contains only one species, as in a tree plantation.

Accepted Answer

The answer of A ____________________ contains only one species, as...

Question 2

One way that an individual living in a desert area could protect terrestrial biodiversity would be to xeriscape with native plants that do not require much water in the way that a traditional lawn does.

Accepted Answer

A) True 
 B)False

Question 3

When ____________________ from the atmosphere is absorbed by ocean water, it combines with water to form carbonic acid.

Accepted Answer

The answer of When ____________________ from the atmosphere is absorbed...

Question 4

The Wilderness Act passed in 1964 allows the government to ____.

Accepted Answer

A)  take legal action against environmental degradation in wildlife preserves 
B)  protect native species 
C)  protect undeveloped tracts of public land 
D)  protect national parks and reserves 
E)  rotate usage of wildlife areas

Question 5

Wolves were successfully reintroduced into Yellowstone National Park after being absent for almost 50 years. The reason that wolves were chosen for this effort was partly that they are a(n) ____.

Accepted Answer

A)  indicator species 
B)  generalist species 
C)  fur-bearing species 
D)  keystone species 
E)  predator on grizzly bear cubs

Question 6

Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

Accepted Answer

A)  Golden eagle 
B)  Coyote 
C)  Fox 
D)  Grizzly bear 
E)  Local wild dogs

Question 7

The process of logging that removes all of the trees from an area is called ____.

Accepted Answer

A)  selective cutting 
B)  clear-cutting 
C)  second cutting 
D)  strip cutting 
E)  purge cutting

Question 8

The Everglades in southern Florida were affected substantially by surrounding development and use of land for agricultural purposes. Additionally, introduced species have been a major problem. In one part of Everglades National Park, abandoned farmland was colonized by invasive plant species that outcompeted native species. Researchers are attempting to replace the invasive species with native species to produce an ecosystem more similar to the one that existed before these problems occurred. Which term best describes this type of study?

Accepted Answer

A)  Formation of an artificial ecosystem 
B)  Reconciliation ecology 
C)  Restoration ecology 
D)  Replacement ecology 
E)  Rehabilitation ecology

Question 9

Once an area of tropical forest is logged and burned, ranchers can graze cattle there for decades.

Accepted Answer

A) True 
 B)False

Question 10

Focusing on establishing and maintaining new habitats to conserve species diversity in places where people live, work, or play in order to increase our beneficial environmental impact - by learning how to share some of the spaces we dominate with other species - is called____.

Accepted Answer

A)  replacement ecology 
B)  urban sprawl 
C)  reintroduction 
D)  reconciliation ecology 
E)  the ecosystem approach

Question 11

When surface fires occur, they release valuable plant nutrients that had been tied up in slowly decomposing litter and undergrowth.

Accepted Answer

A) True 
 B)False

Question 12

When managed properly, ecotourism can be a useful form of reconciliation ecology, but without proper controls, it can lead to degradation of popular sites if visitors overrun them.

Accepted Answer

A) True 
 B)False

Question 13

What are some advantages and disadvantages to using habitat corridors?

Accepted Answer

The answer of What are some advantages and disadvantages to...

Question 14

After the number of wolves declined in Yellowstone National Park, ____.

Accepted Answer

A)  the ecosystem recovered and became more stable 
B)  herds of elk, moose, and mule deer devastated willow and aspen trees near streams and rivers 
C)  the elk population crashed 
D)  forest fires decreased in frequency because the larger mule deer population controlled undergrowth 
E)  coyotes took over their role in the ecosystem, leading to few changes

Question 15

In debt-for-nature swaps, participating countries ____.

Accepted Answer

A)  act as custodians of protected forest reserves in return for foreign aid or debt relief 
B)  take out loans to finance nature preserves 
C)  sell nature preserves to industries to pay off debts 
D)  invest in ecologically sound companies 
E)  repay debts with raw natural resources rather than currency

Question 16

One way to help sustain terrestrial biodiversity would be to map the world's terrestrial ecosystems and create an inventory of the species contained in each of them, along with the ecosystem services they provide.

Accepted Answer

A) True 
 B)False

Question 17

When trees in an area have been removed by human activities, such as clear-cutting, or natural forces, such as fires and hurricanes, which type of forest develops naturally if there is no further human interference?

Accepted Answer

A)  Old-growth forest 
B)  Primary forest 
C)  Tree plantation 
D)  Second-growth forest 
E)  Recovery forest

Question 18

Despite significant efforts to protect biodiversity, Costa Rica has continued to experience biodiversity losses.

Accepted Answer

A) True 
 B)False

Question 19

Large numbers of visitors to parks and protected areas ______.

Accepted Answer

A)  can result in damage from the use of facilities and recreational vehicles 
B)  are always beneficial in promoting more conservation 
C)  are always beneficial in increasing biodiversity 
D)  are associated with significant increases in poaching and illegal hunting 
E)  are generally discouraged

Question 20

Ocean acidification is the result of ____.

Accepted Answer

A)  acid rain 
B)  the ocean absorbing carbon dioxide from the atmosphere 
C)  eutrophication 
D)  ecosystem changes induced by overfishing 
E)  warming ocean water

Exam 9: Sustaining Biodiversity: Saving Ecosystems

A ____________________ contains only one species, as in a tree plantation.

One way that an individual living in a desert area could protect terrestrial biodiversity would be to xeriscape with native plants that do not require much water in the way that a traditional lawn does.

When ____________________ from the atmosphere is absorbed by ocean water, it combines with water to form carbonic acid.

The Wilderness Act passed in 1964 allows the government to ____.

Wolves were successfully reintroduced into Yellowstone National Park after being absent for almost 50 years. The reason that wolves were chosen for this effort was partly that they are a(n) ____.

Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

The process of logging that removes all of the trees from an area is called ____.

Once an area of tropical forest is logged and burned, ranchers can graze cattle there for decades.

Focusing on establishing and maintaining new habitats to conserve species diversity in places where people live, work, or play in order to increase our beneficial environmental impact - by learning how to share some of the spaces we dominate with other species - is called____.

When surface fires occur, they release valuable plant nutrients that had been tied up in slowly decomposing litter and undergrowth.

When managed properly, ecotourism can be a useful form of reconciliation ecology, but without proper controls, it can lead to degradation of popular sites if visitors overrun them.

What are some advantages and disadvantages to using habitat corridors?

After the number of wolves declined in Yellowstone National Park, ____.

In debt-for-nature swaps, participating countries ____.

One way to help sustain terrestrial biodiversity would be to map the world's terrestrial ecosystems and create an inventory of the species contained in each of them, along with the ecosystem services they provide.

When trees in an area have been removed by human activities, such as clear-cutting, or natural forces, such as fires and hurricanes, which type of forest develops naturally if there is no further human interference?

Despite significant efforts to protect biodiversity, Costa Rica has continued to experience biodiversity losses.

Large numbers of visitors to parks and protected areas ______.

Ocean acidification is the result of ____.