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Unformatted text preview: Biology: Concepts and Connections, 6e (Campbell) Chapter 36 Population Ecology Multiple- Choice Questions 1) The decline of the Nile perch in Lake Victoria in east Africa and the reemergence of cichlids is an excellent situation for study by A) geologists. B) ecologists. C) population ecologists. D) geographers. E) population geneticists. Answer: C Topic: Opening Essay Skill: Factual Recall 2) A group of individuals of a single species that occupy the same general area defines a A) population. B) community. C) species. D) subspecies. E) clone. Answer: A Topic: 36.1 Skill: Factual Recall 3) Which of the following is an example of a population? A) all of the microorganisms on your skin B) all of the species of cichlid fish in Lake Victoria C) all of the students in your classroom D) all students attending colleges and universities in your state E) the various plants found in prairies in the western United States Answer: C Topic: 36.1 Skill: Application 4) Assume that there are five alligators per acre in a swamp in northern Florida. This is a measure of the alligator population's A) dispersion. B) intrinsic rate of increase. C) range. 1 D) equability. E) density. Answer: E Topic: 36.2 Skill: Application 5) The pattern of distribution for a certain species of kelp is clumped. We would expect that the pattern of distribution for a population of snails that live on the kelp would be A) absolute. B) clumped. C) homogeneous. D) random. E) uniform. Answer: B Topic: 36.2 Skill: Conceptual Understanding 6) You drive through Iowa in the spring and notice that along a stretch of several kilometers, every third fence post has a male redwing blackbird perched on it defending its nesting territory. This is an example of A) learned dispersion. B) clumped dispersion. C) random dispersion. D) uniform dispersion. E) artificial dispersion. Answer: D Topic: 36.2 Skill: Application 7) The density of Douglas firs in an old- growth forest is estimated by counting the Douglas firs in four sample plots of 1 hectare each. The number of fir trees in the plots is 10, 12, 7, and 11, respectively. What is the estimated density of firs in the forest? A) 2.5 trees per hectare B) 5 trees per hectare C) 10 trees per hectare D) 20 trees per hectare E) 25 trees per hectare Answer: C Topic: 36.2 Skill: Application 8) To obtain optimal production in a small garden, one should A) plant seeds in rows with minimal spacing between rows. B) plant seeds in clumps with large spaces between clumps. B) plant seeds in clumps with large spaces between clumps....
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- Spring '08