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1. The trout lily is one _______ of understory plants in the beech-birch-maple forest _______ in southern New England.
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| | A) | a. niche, habitat
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| | B) | b. biosphere, community
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| | C) | c. population, community
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| | D) | d. population, niche
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2. Resource partitioning refers to the displacement of one species by another due to competition for habitat and nutrients.
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| | A) | True
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| | B) | False
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3 | |
3. In a typical grazing food chain, _______are eaten by _______.
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| | A) | a. autotrophs, heterotrophs
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| | B) | b. primary consumers, secondary consumers
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| | C) | c. producers, consumers
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| | D) | d. all of the above
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| | E) | e. none of the above
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4 | |
4. Most ecological pyramids generally have a higher number of organisms at the top of the pyramid than at the base of the pyramid.
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| | A) | True
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| | B) | False
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5 | |
5. DDT, PCBs, and mercury are all examples of toxic substances that may be transferred and concentrated along a food chain.
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| | A) | True
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| | B) | False
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6 | |
6. Which of the following is an example of an ecological credit as described in the Kyoto Protocol?
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| | A) | a. protecting sinks such as forests
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| | B) | b. aiding a developing nation with an emission-reducing project
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| | C) | c. building a nonpolluting hydroelectric dam
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| | D) | d. all of the above
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| | E) | e. a and c are correct
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7 | |
7. The colonization of plants on a newly formed mudslide is an example of climactic succession.
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| | A) | True
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| | B) | False
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8 | |
8. In which biome would you find xerophytic plants?
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| | A) | a. desert
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| | B) | b. tropical rain forest
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| | C) | c. temperate deciduous forest
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9 | |
9. Which plant has been nicknamed the botanical whale because of the usefulness of its seed oil?
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| | A) | a. kenaf
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| | B) | b. jojoba
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| | C) | c. guayule
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| | D) | d. hickory
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10 | |
10. Many shrubs of the chaparral have sclerophyllous leaves, which means they are thin and papery and cannot withstand freezing temperatures.
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| | A) | True
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| | B) | False
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11 | |
11. The tallgrass prairie, the savanna, and the tundra are all examples of grassland biomes.
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| | A) | True
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| | B) | False
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12 | |
12. Which of the following is NOT a characteristic of the boreal forest?
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| | A) | a. It has a four-month growing season.
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| | B) | b. The soil is relatively infertile and acidic.
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| | C) | c. There is a permanently frozen layer of soil under the topsoil.
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| | D) | d. Forest litter decays slowly due to cool temperatures.
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13 | |
13. A tropical rain forest is characterized by broadleaf evergreen trees, an abundance of lianas and epiphytes, and a very high rate of decay.
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| | A) | True
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| | B) | False
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14 | |
14. Early Native Americans played public games with rubber balls made of latex extracted primarily from the _______ tree.
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| | A) | a. Ipomea alba |
| | B) | b. Castilla elastica |
| | C) | c. Hevea brasiliensis |
| | D) | d. Manilkara zapota |
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15. The advantage of the strip-cutting method of timber harvesting is that every part of the tree is harvested so that there is no waste of the harvested material.
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| | A) | True
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| | B) | False
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16 | |
16. In which timber harvesting method are trunks cut at ground level and the stumps allowed to sprout multiple stems?
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| | A) | a. selective cutting
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| | B) | b. coppice method
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| | C) | c. creaming
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| | D) | d. shelterwood method
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2003 McGraw-Hill Higher Education