Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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Section 1 - What Is Biodiversity?
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1.
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Hunting sea otters along the U.S. Pacific coast resulted in
a. | an increase in biodiversity. | b. | the extinction of kelp. | c. | a decrease in
biodiversity. | d. | a reduction in the sea urchin population. |
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2.
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To which groups do most of the unknown species belong?
a. | mammals and trees | b. | insects and fungi | c. | bacteria and
plants | d. | protozoans and algae |
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3.
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A crop that results from combining genetic materials is called
a. | a hybrid variety. | b. | a keystone species. | c. | a bottleneck
offspring. | d. | a wildflower species. |
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4.
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Which level of biodiversity may still be reduced after a species recovers from a
threat to its survival?
a. | ecosystem diversity | b. | genetic diversity | c. | population
diversity | d. | species diversity |
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5.
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How do people benefit from biodiversity?
a. | aesthetic or personal enjoyment | b. | variety of food sources | c. | source of new
products | d. | all of the above |
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Matching
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Section 1 - What Is Biodiversity?
Choose the letter of
the term or phrase that best matches the description.
a. | hybrids | d. | genetic
diversity | b. | ecotourism | e. | keystone species | c. | biodiversity |
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6.
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species that are critical to the functioning of an ecosystem
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7.
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all the different genes contained in all members of a population
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8.
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tourist experiences among unique wildlife and ecosystems
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9.
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varieties developed by combining genetic material from other
populations
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10.
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the number and variety of different species in a given area
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