Biology: The Dynamics of Life, California Edition

Chapter 5: Biological Diversity and Conservation

Biological Diversity and Conservation

1.
__________ are not native to a particular area, and can upset the balance of the ecosystem.
A)Exotic species
B)Decomposers
C)Reintroduction programs
D)Ultraviolet waves
2.
Which of these is NOT usually considered a threat to biodiversity?
A)use of pesticides
B)preservation of habitats
C)land pollution
D)acid precipitation
3.
Which of these statements is true?
A)Cold climates have greater amounts of biodiversity than warm climates.
B)Biodiversity tends to increase as you get closer to the equator.
C)Tropical regions of Earth contain very few of the world's land species.
D)Coral reefs tend to be less biologically diverse than temperate deciduous forests.
4.
When the last member of a particular species dies, the species is said to be __________.
A)endangered
B)extinct
C)isolated
D)diversified
5.
What is sustainable use?
A)Protected strips of land that allow organisms to migrate from one wilderness area to another.
B)The ability to use natural resources in a way that helps people and protects the ecosystem.
C)A law that makes it illegal to do harm to species that are listed as endangered or threatened.
D)The study of methods to help protect biodiversity.
6.
One strategy for protecting biodiversity in an area is by using __________.
A)habitat corridors
B)DDT
C)habitat degradation
D)captivity
7.
A species that no longer exists in the wild but is protected by humans is said to live in _________.
A)an island
B)reintroduction
C)captivity
D)a corridor
8.
__________ means the different types of organisms that live in a specific area.
A)Habitat degradation
B)Edge effect
C)Biodiversity
D)Exotic species
9.
What is the difference between a threatened species and an endangered species ?
A)A threatened species means that the population is likely to become endangered. An endangered species has population numbers so low that it is likely to become extinct.
B)A threatened species is already extinct. An endangered species means that the population's numbers have increased greatly over the last 5 years.
C)A threatened species means that the population is likely to become endangered. An endangered species is already extinct.
D)A threatened species and an endangered species are the same thing.
10.
Which of these programs is used to preserve a species facing extinction?
A)captive breeding
B)natural resources
C)edge effects
D)sustainable use
11.
Which of these organism's population was threatened by DDT prior to it being banned in 1972?
A)brown pelican
B)black-footed ferret
C)gray wolf
D)ginkgo tree
12.
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What does this figure illustrate?
A)biodiversity
B)habitat fragmentation
C)edge effect
D)extinction
13.
Cyclosporine is a drug that is used to help organ transplant patients fight off rejection of their new organs. What organism was used to help isolate this drug?
A)bacterium
B)protist
C)plant
D)soil fungus
14.
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What can you infer from this table?
A)The fewer number of species and less land area results in a higher percentage of loss.
B)Land area has nothing to do with extinctions.
C)Borneo is a better island for organisms to live on.
D)Java and Bali have fewer extinctions than Borneo.
15.
In the Democratic Republic of Congo in Africa, 3.9% of their land is protected, allowing almost __________ of the nation's bird species to have a preserved home.
A)5%
B)50%
C)90%
D)23%
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