52TestBank - Biology, 7e (Campbell) Chapter 52: Population...

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Biology, 7e (Campbell) Chapter 52: Population Ecology Chapter Questions 1) A population is correctly defined as having which of the following characteristics? I. inhabiting the same general area II. individuals belonging to the same species III. possessing a constant and uniform density and dispersion A) I only B) III only C) I and II only D) II and III only E) I, II, and III Answer: C Topic: Concept 52.1 Skill: Knowledge 2) A biologist reported that a sample of ocean water had 5 million diatoms of the species Coscinodiscus centralis per cubic meter. What was the biologist measuring? A) density B) dispersion C) carrying capacity D) quadrats E) range Answer: A Topic: Concept 52.1 Skill: Knowledge 3) All of the following phrases could characterize a population except A) interacting individuals. B) dispersion. C) density. D) several species. E) boundaries. Answer: D Topic: Concept 52.1 Skill: Comprehension 4) To measure the population density of monarch butterflies occupying a particular park, 100 butterflies are captured, marked with a small dot on a wing, and then released. The next day, another 100 butterflies are captured, including the recapture of 20 marked butterflies. One would estimate the population to be A) 200. B) 500. C) 1,000. D) 10,000. E) 900,000. Answer: B Topic: Concept 52.1 Skill: Application
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You are studying the mice that live in a pasture near your home. There are lots of mice in this pasture, but you realize that you rarely observe any reproductive females. This most likely indicates A) that there is selective predation on female mice. B) that female mice die before reproducing. C) that this habitat is not a good place for mice to reproduce. D) that you are observing immigrant mice. E) both C and D Answer: E Topic: Concept 52.1 Skill: Comprehension 6) You are observing a population of lizards when you notice that the number of adults has increased and is higher than previously observed. One explanation for such an observation would include A) reduction in death rate. B) increased immigration. C) increased emigration. D) decreased emigration. E) both B and D Answer: B Topic: Concept 52.1 Skill: Knowledge 7) The most common kind of dispersion in nature is A) clumped. B) random. C) uniform. D) indeterminate. E) dispersive. Answer: A Topic: Concept 52.1 Skill: Knowledge 8) How would the dispersion of humans in the United States best be described? A) dense B) clumped C) random D) intrinsic E) uniform Answer: B Topic: Concept 52.1 Skill: Comprehension 9) The pattern of dispersion for a certain species of kelp is clumped. The pattern of dispersion for a certain species of snail that lives only on this kelp would likely be A) absolute. B) clumped. C) demographic.
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52TestBank - Biology, 7e (Campbell) Chapter 52: Population...

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