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Name ___________________________________ Date______________ Class BIOL 121 Exam 4 Ecology 1. Which of the following levels of ecological organization...

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Name ___________________________________ Date______________ Class BIOL 121 Exam 4 Ecology 1. Which of the following levels of ecological organization is arranged in the correct sequence from least to most inclusive? a. community, ecosystem, organism, population b. ecosystem, community, population, organism c. population, ecosystem, organism, community d. organism, population, community, ecosystem e. organism, community, population, ecosystem 2. For a species to be called " invasive," it must _____. I) be introduced to a new area II) spread rapidly in this new area III) eliminate native species a. only I b. only II c. only III d. only II and III e. I, II, and III 3. Which of the following shows how biotic environmental factors can affect an organism? a. Mice have the highest reproductive rate of any common mammal. b. Maple trees will not grow in waterlogged soil. c. Some shrubs grow only in acidic soils. d. Trout cannot live in shallow, warm water. e . Monarch butterflies live only where there are milkweed plants growing for them to obtain food 4. Which biome has four seasons and is dominated by plants that drop their leaves in the winter to conserve water? a. desert b. coniferous forest c. tropical rain forest d. temperate broadleaf deciduous forest e. savanna 5. As climate changes because of global warming, plant species' ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that _____. a . have seeds that are easily dispersed by wind or animals b. have thin seed coats c. produce colorful seeds d. have seeds that become viable only after a forest fire e. disperse many seeds in close proximity to the parent tree 1 Copyright © 2014 Pearson Education, Inc.
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6. Which of the following are important biotic factors that can affect the structure and organization of biological communities? a. precipitation, wind b. nutrient availability, soil pH c. predation, competition, parasitism d. temperature, water f. light intensity, seasonality 7. The _________biome is found in states such as Iowa, Minnesota, Nebraska, and other Midwestern states, and is characterized by thick, rich soils and grasses are the dominant vegetation. a. savannah b. tallgrass prairie before commercial agriculture c. chaparral d. taiga e. desert 8. In the figure above, which number would designate the tropical rain forest biome? a . 1 b. 3 c. 4 d. 5 e. 6 9. In the figure above, which number would designate the hot desert biome with extremely low average annual precipitation? a. 1 b . 2 c. 3 d. 4 e. 6 10. If a meteor impact or volcanic eruption injected a lot of dust into the atmosphere and reduced the sunlight reaching Earth's surface by 70 percent for one year, which of the following communities most likely would be least affected? a . deep-sea vent b. coral reef c. temperate deciduous forest d. grasslands 2 Copyright © 2014 Pearson Education, Inc.
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biolohy Q&A.docx

Biology revision.
1. e. organism, population, community, ecosystem
2. e. I, II, and III
3. . e. Monarch butterflies live only where there are milkweed plants growing
for them to obtain food
4. ....

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