MC1
By far, the biggest cause of biodiversity loss today is
A. climate change.
B. pollution.
C. habitat change and fragmentation.
D. over-harvesting.
C. habitat change and fragmentation.
In the United States, what is the major law that protects biodiversity?
A. Endangered Species Act
B. Convention on Biological Diversity
C. Species Survival Plan
D. U.S. Fish and Wildlife Service
A. Endangered Species Act
Which of the following is an example of a method for managing whole ecosystems and habitats?
A. Species Survival Plans (SSPs)
B. cloning
C. captive breeding
D. mapping biodiversity hotspots
D. mapping biodiversity hotspots
Species that can only be found in specific areas and nowhere else.
Endemic
An area with a high number of endemic species that is also losing its biodiversity at a fast rate.
Biodiversity hotspot
Which is the most direct way in which biodiversity can provide a source of income?
A. medicines
B. ecotourism
C. research
D. agriculture
B. ecotourism
There is a plan to establish an 8000-kilometer-long strip of land across eight Southeast Asian countries to rejoin fragments of tiger habitat. This is an example of a
A. captive breeding program.
B. wildlife corridor.
C. worldwide biodiversity treaty.
D. conservation concession.
B. wildlife corridor.
Tigers living in warm climates have thinner coats of fur than tigers living in cool climates. This is a result of
A. ecosystem diversity.
B. genetic diversity.
C. species diversity.
D. general diversity.
B. genetic diversity.
Breeding and raising organisms in controlled enviroments for example zoos.
Captive breeding
The removal of a species from an area, but it can still be found elsewhere.
Extirpation
The disappearance of a particular population from a given area, but not of the entire species globally, is called
A. fragmentation.
B. poaching.
C. extinction.
D. extirpation.
D. extirpation.
One way that zoos and aquariums help increase wildlife populations is through
A. conservation concessions.
B. International biodiversity treaties.
C. captive breeding programs.
D. wildlife corridors.
C. captive breeding programs.
The Sikhote-Alin Mountains, and the Siberian tigers living on them, are separated from other mountain
regions in which the tigers could live. The mountains are an example of a(n)
A. mass extinction.
B. mass extirpation.
C. invasive species.
D. habitat fragmentation.
D. habitat fragmentation.
Species that are vulnerable to become endangered soon.
Threatened species
Patches of habitable zones are physically separated by areas with unsuitable habitats.
Habitat fragmentation
Which product is often derived from the natural environment?
A. cooking oil
B. fuel
C. medicines
D. all of the above
D. all of the above
What global phenomenon has caused some organisms to move toward the poles or to higher altitudes?
A. invasive species
B. warming temperatures
C. pollution
D. habitat fragmentation
B. warming temperatures
What is the correct hierarchy of taxonomic groups, from largest to smallest?
A. genus, family, species, subspecies
B. family, genus, species, subspecies
C. genus, family, subspecies, species
D. family, genus, subspecies, species
B. family, genus, species, subspecies
A program designed to protect a single species of organisms.
Species Survival Plan (SSP)
Species at a serious risk of extinction
Endangered species
Which of the following represents single-species approaches to protecting biodiversity?
A. selling conservation concessions
B. captive breeding and cloning
C. mapping biodiversity hotspots
D. building wildlife corridors
B. captive breeding and cloning
A species that is at serious risk of extinction is called a(n)
A. extirpated species.
B. invasive species.
C. endangered species.
D. threatened species.
C. endangered species.
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of
A. polls measuring American opinion about biodiversity.
B. organizations that promote poaching.
C. Treaties to protect biodiversity.
D. laws to increase the number of species.
C. Treaties to protect biodiversity.
The variety of species in a particular region.
Species diversity
US Law enacted in 1973 to protect endangered and threatened species.
Endangered Species Act (ESA)
To manage, protect, and reintroduce threatened and endangered species are the goals of
A. Species Survival Plans.
B. biodiversity hotspots.
C. wildlife corridors.
D. conservation concessions.
A. Species Survival Plans.
High levels of biodiversity tend to
A. make an ecosystem less resilient.
B. have little or no effect on ecosystems.
C. increase the stability of an ecosystem.
D. decrease an ecosystem’s resistance.
C. increase the stability of an ecosystem.
If current trends continue, the modern geologic era, known as the Quaternary period, may see the extinction of
A. all species on Earth.
B. almost 20 percent of all species.
C. more than half of all species.
D. one or two species per century.
C. more than half of all species.