practice questions exam3

Living in the Environment: Principles, Connections, and Solutions (with CD-ROM and InfoTrac)

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PRACTICE QUESTIONS EXAM #3 1.Thriving coral reefs require a. cloudy water. b. cool water. c. dissolved oxygen and nutrients. d. salinity that fluctuates with the tides. e. cold water 2.. In your explorations as a marine biologist, you find a new species of algae floating on the surface of a coastal zone. You would most likely classify this species as a. phytoplankton. b. zooplankton. c. benthos. d. nekton. e. decomposer 3.All of the following organisms would be considered part of the benthos except a. cod. b. lobster. c. oysters. d. sand worms. e. crabs 4.Populations of organisms living in aquatic life zones may be limited by a. access to light. b. nutrient availability. c. dissolved oxygen. d. All of these answers. e. None of these answers. 5.The major types of flora and fauna found in aquatic ecosystems are determined primarily by a. temperature b. salinity c. pH d. dissolved oxygen e. light 6.Oceans cover about _____ of the earth's surface. a. 50% b. 60% c. 70% d. 80% e. 90% 7.The ocean zone that covers the continental shelf is the a. estuary. b. coastal zone. c. littoral zone. d. benthic zone. e. abyssal zone 8.Estuaries exhibit a. constant temperature and salinity. b. constant temperature and variable salinity. c. variable temperature and constant salinity. d. variable temperature and salinity. e. constant temperature 9.Which of the following trees is characteristic of tropical coastal wetlands? a. cypress b. coconut c. mangrove d. palm Water 200
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e. live oak 10. Which of the following ecosystems is least likely found in a temperate coastal wetland? a. bay b. salt flat c. mud flat d. mangrove swamp e. estuary 11. Organisms of the intertidal zone a. are constantly being swept away. b. are exposed to constant salinity levels. c. are exposed to both air and underwater conditions. d. must avoid drowning at high tide. e. are exposed to constant temperatures. . 12. The least appropriate use of coastal wetlands is for a. spawning and nursery grounds. b. condominiums and disposal of landfill waste. c. food production. d. recreational diving. e. educational activities. 13. The deepest part of the ocean is the a. abyssal zone. b. euphotic zone. c. estuary zone. d. bathyal zone. e. benthic zone 14. Most photosynthesis in the open sea occurs in the a. euphotic zone. b. abyssal zone. c. bathyal zone. d. coastal zone. e. benthic zone 15. . In lakes, the nutrient-rich water near the shore is part of the a. limnetic zone. b. benthic zone. c. littoral zone. d. profundal zone. e. abyssal zone. 16. Lakes that have few minerals and low productivity are referred to as a. autotrophic. b. eutrophic. c. oligotrophic. d. mesotrophic. e. oligomesotrophic 17. I If you fish for trout, you would be most likely to seek out which part of a stream? a.
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practice questions exam3 - PRACTICE QUESTIONS EXAM #3...

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