Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Textbook Question
Chapter 53, Problem 6TYU
The observation that members of a population are uniformly distributed suggests that
- (A)
resources are distributed unevenly. - (B) the members of the population are competing for access to a resource.
- (C) the members of the population are neither attracted to nor repelled by one another.
(1)) the density of the population is low.
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2)Which of the following best describes the difference between population size and population density?
a)Population size measures the abundance of an organism, whereas population density measures the distribution
b)Both variables measure abundance, but population density takes the into account the size of individuals, not just the number of individuals in the population
c)Population size measures abundance, but population density measures how rapidly the size changes
d)Population density measures the abundance of an organism, whereas population size measures the distribution
e)None of these descriptions are correct
A population’s carrying capacity(A) may change as environmental conditions change.(B) can be accurately calculated using the logistic growth model.(C) increases as the per capita population growth rate decreases.(D) can never be exceeded.
Which of the following is true of a population approaching its carrying capacity?
a) The population’s emigration is greater than its immigration.
b) The population has access to unlimited resources.
c) Intraspecific competition decreases.
d) The population’s rate of increase approaches zero.
Chapter 53 Solutions
Campbell Biology
Ch. 53.1 - DRAW IT Each female of a particular fish species...Ch. 53.1 - Prob. 2CCCh. 53.1 - Prob. 3CCCh. 53.2 - Explain why a constant per capita rate of growth...Ch. 53.2 - Prob. 2CCCh. 53.2 - Prob. 3CCCh. 53.3 - Explain why a population that fits the logistic...Ch. 53.3 - WHAT IF? Given the latitudinal differences in...Ch. 53.3 - Prob. 3CCCh. 53.4 - Identify three key life history traits, and give...
Ch. 53.4 - Prob. 2CCCh. 53.4 - Prob. 3CCCh. 53.5 - Prob. 1CCCh. 53.5 - Prob. 2CCCh. 53.5 - WHAT IF? Suppose you were studying a species that...Ch. 53.5 - Prob. 4CCCh. 53.6 - How does a human population's age structure affect...Ch. 53.6 - How have the rate and number of people added to...Ch. 53.6 - WHAT IF? Type "personal ecological footprint...Ch. 53 - Gray whales (Eschrichtius robustus) gather each...Ch. 53 - Suppose one population has an r that is twice as...Ch. 53 - Prob. 53.3CRCh. 53 - Prob. 53.4CRCh. 53 - Density-dependent factors regulate population...Ch. 53 - The human population is no longer growing...Ch. 53 - Population ecologists follow the fate of same-age...Ch. 53 - A population's carrying capacity (A) may change as...Ch. 53 - Scientific study of the population cycles of the...Ch. 53 - Analyzing ecological footprints reveals that (A)...Ch. 53 - Based on current growth rates, Earth's human...Ch. 53 - The observation that members of a population are...Ch. 53 - According to the logistic growth equation...Ch. 53 - During exponential growth, a population always (A)...Ch. 53 - Prob. 9TYUCh. 53 - Prob. 10TYUCh. 53 - EVOLUTION CONNECTION Contrast the selective...Ch. 53 - Prob. 12TYUCh. 53 - Prob. 13TYUCh. 53 - WRITE ABOUT A THEME: INTERACTIONS In a short essay...Ch. 53 - SYNTHESIZE YOUR KNOWLEDGE Locusts (grasshoppers in...
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