Campbell Biology in Focus, 3rd Edition Lisa A. Urry , Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky Test Bank with All 43 Chapters

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4) Which of the following is a consequence of biological magnification? A) Toxic chemicals in the environment pose greater risk to top-level predators than to primary consumers. B) Populations of top-level predators are generally smaller than populations of primary consumers. C) The biomass of producers in an ecosystem is generally higher than the biomass of primary consumers. D) Only a small portion of the energy captured by primary producers is transferred to primary consumers. Answer: A Topic: End-of-Chapter Questions Bloom's Taxonomy: 3-4: Applying/Analyzing 5) Which of the following strategies would most rapidly increase the genetic diversity of a population in an extinction vortex? A) Establish a reserve that protects the population's habitat from any external pressures. B) Introduce new individuals transported from other populations of the same species. C) Sterilize the least fit individuals in the population, so that they cannot reproduce. D) Control populations of the endangered population's predators and competitors. Answer: B Topic: End-of-Chapter Questions Bloom's Taxonomy: 3-4: Applying/Analyzing 6) Of the following statements about protected areas that have been established to preserve biodiversity, which one is the most correct? A) About 75% of Earth's land area is now protected. B) National parks are the only type of protected area. C) Management of a protected area is an isolated process. D) It is especially important to protect biodiversity hot spots. Answer: D Topic: End-of-Chapter Questions Bloom's Taxonomy: 3-4: Applying/Analyzing

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