Chapter 7: Biodiversity and Conservation Flashcards
Study for Test
What is the correct hierarchy of taxonomic groups, from largest to smallest?
A. family, genus, species, subspecies B. genus, family, subspecies, species C. family, genus, subspecies, species D. genus, family, species, subspecies
A. family, genus, species, subspecies
Tigers living in warm climates have thinner coats of fur than tigers living in cool climates. This is a result of
A. genetic diversity.
B. species diversity.
C. ecosystem diversity.
D. general diversity.
A. genetic diversity.
The easiest component of biodiversity to measure is
A. ecosystem diversity. B. species diversity. C. genetic diversity. D. ecosystem health.
B. species diversity.
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
If current trends continue, the modern geologic era, known as the Quaternary period, may see the extinction of
A. almost 20 percent of all species. B. more than half of all species. C. all species on Earth. D. one or two species per century.
B. more than half of all species.
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 extirpation. B. invasive species. C. mass extinction. D. habitat fragment.
D. habitat fragment.
The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of
A. organizations that promote poaching. B. polls measuring American opinion about biodiversity. C. treaties to protect biodiversity. D. laws to increase the number of species.
C. treaties to protect biodiversity.
To manage, protect, and reintroduce threatened and endangered species are the goals of
A. wildlife corridors. B. conservation concessions. C. Species Survival Plans. D. biodiversity hotspots.
C. Species Survival Plans.
Which of the following is an example of a method for managing whole ecosystems and habitats?
A. captive breeding B. cloning C. Species Survival Plans (SSPs) D. mapping biodiversity hotspots
D. mapping biodiversity hotspots
Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity is called a
A. debt-for-nature swap. B. conservation concession. C. Species Survival Plan. D. wildlife corridor.
A. debt-for-nature swap.
Taxonomists are the scientists who classify species.
True False
True
Species richness generally increases toward the poles.
True False
False
An ecosystem is considered stable if it is both resistant and resilient.
True False
True
At the international level, the United Nations has facilitated several treaties to promote biodiversity.
True False
True
Most scientists agree that cloning provides much help to prevent biodiversity loss.
True False
False
A region that includes tigers, eagles, lizards, fish, rabbits, and many other types of organisms would be described as having a high level of
A. taxonomic diversity. B. genetic diversity. C. ecosystem diversity. D. species diversity.
D. species diversity.
Which is the highest level of biodiversity?
A. general diversity B. ecosystem diversity C. species diversity D. genetic diversity
B. ecosystem diversity
The latitudinal gradient is a natural pattern in which species diversity generally
A. increases toward the equator. B. decreases toward the prime meridian. C. decreases in warmer climates. D. increases toward the poles.
A. increases toward the equator.
Which type of organism dwarfs all others in terms of species diversity?
A. plants B. mammals C. insects D. protists
C. insects
High levels of biodiversity tend to
A. have little or no effect on ecosystems. B. decrease an ecosystem's resistance. C. make an ecosystem less resilient. D. increase the stability of an ecosystem.
D. increase the stability of an ecosystem.
Which product is often derived from the natural environment?
A. cooking oil B. medicines C. fuel D. all of the above
D. all of the above
The disappearance of a particular population from a given area, but not of the entire species globally, is called
A. extirpation. B. extinction. C. poaching. D. fragmentation.
A. extirpation.
A species that is at serious risk of extinction is called a(n)
A. threatened species. B. invasive species. C. endangered species. D. extirpated species.
C. endangered species.
By far, the biggest cause of biodiversity loss today is
A. climate change. B. over harvesting. C. habitat change and fragmentation. D. pollution.
C. habitat change and fragmentation.
What global phenomenon has caused some organisms to move toward the poles or to higher altitudes?
A. habitat fragmentation B. pollution C. invasive species D. warming temperatures
D. warming temperatures
In the United States, what is the major law that protects biodiversity?
A. Convention on Biological Diversity B. Endangered Species Act C. U.S. Fish and Wildlife Service D. Species Survival Plan
B. Endangered Species Act
A treaty is a(n)
A. state law to protect wildlife. B. agreement under international law. C. trade-off with landowners. D. biodiversity program run by zoos.
B. agreement under international law.
One way that zoos and aquariums help increase wildlife populations is through
A. captive breeding programs. B. international biodiversity treaties. C. conservation concessions. D. wildlife corridors.
A. captive breeding programs.
Which of the following represents single-species approaches to protecting biodiversity?
A. building wildlife corridors B. selling conservation concessions C. captive breeding and cloning D. mapping biodiversity hotspots
C. captive breeding and cloning
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. wildlife corridor. B. worldwide biodiversity treaty. C. captive breeding program. D. conservation concession.
A. wildlife corridor.
Populations with more genetic diversity are less able to cope with environmental change.
True False
False
Species are evenly distributed among taxonomic groups.
True False
False
In recent decades, extinction rates have been significantly lower than normal.
True False
False
Due in part to the Endangered Species Act, roughly 40 percent of once-declining populations in the United States are now stable.
True False
True
Clone breeding is the process of breeding and raising organisms in controlled conditions.
True False
False
