Deck 41: Conservation Biology

Question 1

Which of the following ecosystems has the lowest biodiversity?

A)Tundra
B)Temperate deciduous forests
C)Taigas
D)Tropical rain forests
E)Tropical grasslands

Answer 1

A
Explanation: Understand where the least biodiversity is located on Earth

Question 2

A biologist is studying a species that is likely to become endangered in the foreseeable future.Based on this information you would conclude that he or she is studying which of the following?

A)A critical species
B)An introduced species
C)An extinct species
D)A threatened species
E)A keystone species

Answer 2

D
Explanation: Definition of a threatened species

Question 3

Which of the following is a direct value of biodiversity?

A)Wildlife helps dispose of wastes
B)Natural areas provide freshwater
C)Wildlife provides agricultural resources
D)Natural areas regulate climate
E)Natural areas prevent soil erosion

Answer 3

C
Explanation: Understand the difference between direct and indirect value to human of biodiversity

Question 4

An organism which is not normally found in an ecosystem,a nonnative member,is referred to as:

A)An endemic species
B)A native species
C)An alien species
D)A keystone species
E)A threatened species

Question 5

Biodiversity increases the chances of crops being infected by disease and pests.

Question 6

The discipline that focuses on saving natural resources for this generation and all future generations is called:

A)Basic biology
B)Wildlife management
C)Evolutionary biology
D)Range management
E)Conservation biology

Question 7

A biologist is studying a type of diversity which involves a group of interacting ecosystems within a very large area.Based on this information you would conclude that he or she is most likely studying which of the following?

A)Sustainable diversity
B)Ecosystem diversity
C)Landscape diversity
D)Keystone diversity
E)Genetic diversity

Question 8

A species which is in peril of immediate extinction throughout all or most of its range is referred to as:

A)An endangered species
B)An introduced species
C)An extinct species
D)A threatened species
E)A keystone species

Question 9

The biodiversity of organisms is evenly distributed throughout the biosphere.

Question 10

A biologist is studying the indirect value of biodiversity.Based on this information,which of the following would he or she NOT be interested in studying?

A)The biogeochemical cycles which help drive the carbon cycle
B)Natural areas producing freshwater
C)Ecotourism
D)The consumption of wildlife for food and resources
E)Natural areas regulating climate

Question 11

Which of the following is not an example of the consumptive value wildlife has for humans?

A)Trees cut down in a forest to build homes
B)The harvesting of wild plants for food
C)The hunting of wild animals for food
D)The capture of ocean fish for consumption
E)The cultivation of corn,rice,and wheat

Question 12

The major goal behind conservation biology is to manage biodiversity for the sustainable use by humans.

Question 13

A biologist is looking for ecosystems which contain species that have medical value to humans.Based on this information you would conclude that he or she would be looking at a:

A)Tundra
B)Tropical forest
C)Taiga
D)Temperate forest
E)Deep ocean communities

Question 14

A ______ is one that lives in a favorable area with a birth rate that exceeds its death rate.

A)Sink population
B)Source population
C)Metapopulation
D)Threatened population
E)Sustainable population

Question 15

If you were studying a species which has totally disappeared from the planet you would be studying:

A)An endangered species
B)An introduced species
C)An extinct species
D)A threatened species
E)A keystone species

Question 16

If you were studying variation among members of a population you would most likely be studying which of the following?

A)Sustainable diversity
B)Ecosystem diversity
C)Landscape diversity
D)Keystone diversity
E)Genetic diversity

Question 17

The type of diversity which is dependent on the interactions of species at a particular location is known as:

A)Sustainable diversity
B)Ecosystem diversity
C)Landscape diversity
D)Keystone diversity
E)Genetic diversity

Question 18

Which of the following statements about conservation biology is not true?

A)Conservation biology relies on many subdisciplines of biology including genetics,physiology and systematics
B)Conservation biology relies on both scientists and government officials for conservation management
C)Conservation biology depends on the education of the public to lead to better consumer choices that facilitate conservation practices
D)Conservation biology proposes that ecosystems take precedence over activities that sustain human populations
E)Conservation biology relies on both biologists and social scientists to determine courses of action

Question 19

If you were studying an ecosystem which has the greatest biodiversity you would be studying which of the following?

A)Tundra
B)Temperate deciduous forests
C)Taigas
D)Tropical rain forests
E)Grasslands

Question 20

Regions of the world that contain large concentrations of species are referred to as:

A)Biodiversity hotspots
B)Biodiversity landscapes
C)Biodiversity ecosystems
D)Biodiversity communities
E)Biodiversity populations

Question 21

Which of the following is not a possible outcome of global climate change?

A)Glaciers will melt
B)Ocean temperatures will increase
C)Ecosystems will be forced to move north
D)Sea level will rise
E)The ozone layer will become thinner

Question 22

Costal degradation is mostly due to:

A)The introduction of alien species
B)The increase of pollution from inland factories
C)The overexploitation of fishing grounds
D)The introduction of new diseases to coastal areas
E)Large concentrations of people living on or near the coast

Question 23

Some nonnative species have been introduced intentionally into a new environment and then spread out from its initial point of introduction.

Question 24

A _____________ is one that lives in a favorable area,and its birthrate is most likely higher than its death rate.

A)Metapopulation
B)Source population
C)Keystone population
D)Introduced population
E)Sink population

Question 25

A biologist is studying the primary cause of ozone depletion in the atmosphere.Based on this information you would conclude that he or she is studying which of the following?

A)Carbon dioxide
B)Sulfur dioxide
C)Chlorofluorocarbons
D)Organic chemicals
E)Nitrogen oxides

Question 26

If you were studying the most significant cause of extinction today you would be studying which of the following?

A)Pollution
B)Habitat loss
C)The introduction of alien species
D)Overexploitation
E)Disease

Question 27

If you were studying the factor that contributes the least to species extinction today you would be studying which of the following?

A)Disease
B)The introduction of alien species
C)Habitat loss
D)Pollution
E)Overexploitation

Question 28

(p.40.10.01 Explain the basis for deciding which species to preserve and what methodology to use)Species that influence the viability of a community,although their numbers may not be exceedingly high,are referred to as:

A)Pioneer species
B)Alien species
C)Introduced species
D)Nonnative species
E)Keystone species

Question 29

Explain the the basis for deciding which species to preserve and what methodology to use)Landscape protection for one species is often beneficial for other wildlife that shares the same space.

Question 30

A population which has been subdivided into small,isolated populations,sometimes due to fragmentation is referred to as:

A)Keystone populations
B)Endangered populations
C)Metapopulations
D)Pioneer populations
E)Nonnative populations

Question 31

Which of the following statements is false about the impact of biodiversity on biogeochemical cycles?

A)Biodiversity removes carbon dioxide from the atmosphere
B)Biodiversity recycles phosphorus
C)Biodiversity has little effect on the breakdown of pollution
D)Biodiversity contributes to the water cycle
E)Biodiversity uptakes excess nitrogen from the soil

Question 32

A biologist is studying the introduction of a new species to an area which formerly never had that particular species.Based on this information you would conclude that he or she is studying:

A)A keystone species
B)An endangered species
C)An alien species
D)A native species
E)A pioneer species

Question 33

Which of the following is not a major cause of extinction today?

A)An imbalance of the biogeochemical cycles
B)Disease
C)Habitat loss
D)Overexploitation
E)Pollution

Question 34

A ________________ lives where the environment is not very favorable and the birthrate equals death rate at best.

A)Metapopulation
B)Source population
C)Keystone population
D)Introduced population
E)Sink population

Question 35

Which of the following is primarily due to air pollution from sulfur dioxide and nitrogen oxides?

A)Ozone depletion
B)Acid deposition
C)Organic chemical buildup
D)Global warming
E)Eutrophication

Question 36

So far,habitat loss has only occurred in the tropical regions.

Question 37

Which of the following is false about alien species?

A)They can disrupt food webs
B)They can be transported accidentally
C)They have very little effect on island ecosystems
D)They can be transported intentionally
E)They generally stay in their current location without human interference

Question 38

The introduction of the zebra mussel from the Caspian Sea to the Great Lakes was:

A)Intentional,to help clean the Great Lakes
B)Accidental,it was brought over on the hulls of fishing ships
C)Intentional,to provide food for an endangered fish
D)Accidental,from the ballast water from ships
E)Intentional,to provide food for humans

Question 39

Sustainable development is the removal of a number of individuals so that the population is severely reduced.

Question 40

Which of the following statements is false about overexploitation?

A)It accounts for 17% of extinction today
B)Collecting and selling endangered species can be very lucrative
C)Many overexploited species are decorative plants and exotic pets
D)The larger the population the more valuable its members are
E)Marine ecosystems can be destroyed by over fishing

Question 41

If you were studying a subdivision of conservation biology that seeks a scientific way to return ecosystems to their former state,you would be studying which of the following?

A)Metapopulation ecology
B)Ecosystem ecology
C)Landscape ecology
D)Restoration ecology
E)Biodiversity ecology

Question 42

Renewable resources are capable of being naturally replenished.

Question 43

Modern farming methods have resulted in all of the following except

A)less efficient irrigation methods.
B)increase in the overall food supply.
C)heavy use of fertilizers,pesticides,and herbicides.
D)excessive fuel consumption.
E)planting of fewer genetic varieties of plants.

Question 44

In spite of hundreds of millions of dollars spent on insecticides targeted at pest species such as mosquitoes and crop pests,we have been unable to drive any to extinction.On the other hand,bird,fish,plant,and insect species that we barely recognize have gone extinct.This has mainly been due to

A)habitat destruction.
B)hunting.
C)farming.
D)insecticides such as DDT.
E)over collecting for scientific research.

Question 45

During summer months many highly populated communities are placed under water restrictions during which people are not allowed to wash their cars or water their lawns.The reason for this would probably be

A)low levels of water in underground aquifers.
B)saltwater intrusion.
C)high costs of pumping water from other cities.
D)excessive rainfall leading to nearby rivers being at flood stage.
E)restrictions of pollutants draining into local water supplies.

Question 46

Worldwide,70% of all freshwater is used to ______.

A)wash cars and clothing
B)water livestock
C)irrigate crops
D)produce steel and aluminum
E)supply drinking water

Question 47

Ecosystems are based on complex interactions between communities.What are possible consequences from a disruption of these interactions?

A)Increases in extinctions
B)Increases in pollution
C)Increases in biodiversity
D)Decreases in pollution
E)Decreases in extinctions

Question 48

Pesticides used in agriculture reduce soil ______ because they kill beneficial soil organisms as well as pests.

A)texture
B)nutrients
C)moisture
D)fertility
E)salinity

Question 49

Nonrenewable resources are in unlimited supply.

Question 50

Which of the following is NOT correct concerning the indirect values of biodiversity?

A)Trees affect the climate and provide shade and cooling during the summer
B)Trees can maintain rainfall to help prevent dry periods
C)If biodiversity cannot maintain the biogeochemical cycles,then technology will have to artificially create those cycles
D)Diverse organisms are critical in breaking down wastes and immobilizing pollutants
E)Erosion can lead to critical imbalances in an ecosystem

Question 51

One of the most effective ways that agriculture could reduce its use of water is by ______.

A)planting drought and salt tolerant crops
B)reducing the size of the crop being planted
C)letting the natural precipitation water the crops
D)only farming in areas with plenty of water
E)irrigating from large bodies of water

Question 52

One of the goals of conservation biology is to have _______________,which is the ability of an ecosystem to maintain itself while providing services for humans.

A)Ecosystem development
B)Community development
C)Sustainable development
D)Biodiversity development
E)Keystone development

Question 53

Oftentimes around the world,famine causes severe loss of life in LDCs.In many cases what is the initial step that would eventually lead to a famine situation?

A)deforestation due to the desire to expand agricultural lands
B)desertification
C)coastal pollution
D)no access to drinking water
E)deforestation due to a desire to increase the amount of land available for housing developments

Question 54

Efficiency is the key to ______.

A)business
B)conservation
C)agriculture
D)sustainability
E)profitability

Question 55

In what way are humans exposing wild populations to diseases they would normally not be exposed to?

A)As human communities expand,we are encroaching on species habitat.This causes them to become exposed to diseases they normally would not be exposed to
B)As humans spend more time in nature,they are exposing wild populations to our diseases
C)As humans increase the number of animals they domesticate,we are exposing them to diseases they are not used to.When the animals are released back into the wild they carry the diseases with them
D)The overuse of antibiotics have selected for the strongest diseases to continue within our population.This has enabled them to spread to wild populations as well
E)The illegal harvest of wild species is causing them to become exposed to many diseases they would normally not be exposed to

Question 56

To achieve a sustainable ______,resources such as clean air,water,and an adequate amount of food,and living space for humans and wildlife have to be preserved.

A)society
B)business
C)environment
D)budget
E)families