Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 51, Problem 16TYK
Summary Introduction
Introduction: Mate-choice copying is a behavior that occurs when individuals change their mating choices based on the mating patterns of other individuals.
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Which of the following statements is a reason why females are usually the "choosier" sex?
A. They expend fewer resources in caring for their offspring.
B. They have higher potential fitness than males.
C. They have fewer opportunities to contribute offspring than males.
D. They directly compete with each other for mates.
In Biology of Beauty, Cowley found that contemporaryfemales are attracted to males with broad foreheads and strong chins, and that this effect persisted across different cultures. How did Cowley explain this result?
A. This is a trick question- this attraction is culturally relative
B. Males compete for access to females by developing these features as a form of male-male competition
C. There is no evidence that females really are differentially attracted to males with these features
D. Attraction to males with these features is adaptive for females because males with these traits are usually sexually mature and have healthy immune systems
E. Only some human cultures value these traits as attractive.
The twofold cost of sex model by John Mynard Smith explains how -
A. asexual females can become predominant in a population.
B. anisogamy results in sexual reproduction.
C. sexual individuals can produce genetically variant offspring.
D. asexual females invest as much in offspring as the sexual females.
Chapter 51 Solutions
Study Guide for Campbell Biology
Ch. 51 - Prob. 1IQCh. 51 - Indicate the type of learning illustrated by the...Ch. 51 - Prob. 3IQCh. 51 - Exclusive male parental care is observed much more...Ch. 51 - Prob. 5IQCh. 51 - Prob. 6IQCh. 51 - Prob. 7IQCh. 51 - Prob. 1SYKCh. 51 - How does the concept of evolutionary fitness apply...Ch. 51 - Prob. 1TYK
Ch. 51 - Prob. 2TYKCh. 51 - Prob. 3TYKCh. 51 - Prob. 4TYKCh. 51 - The honeybee waggle dance communicates the...Ch. 51 - Prob. 6TYKCh. 51 - Prob. 7TYKCh. 51 - Which of the following types of intraspecies...Ch. 51 - You have discovered a new primate species in which...Ch. 51 - Prob. 10TYKCh. 51 - Prob. 11TYKCh. 51 - Prob. 12TYKCh. 51 - Prob. 13TYKCh. 51 - Which of the following behaviors would arise from...Ch. 51 - Prob. 15TYKCh. 51 - Prob. 16TYK
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- The fantastic coloration and behavioral displays in the birds of paradise that we watched in class were examples of differential sexual selection driven by: a. Female-female combat b. Male competition c. Female choice d. Intrasexual selectionarrow_forwardWhy are polyandrous mating systems more rare than polygynous matings? a. Only males are capable of multiple rounds of reproduction within a single breeding season. b. Only females care for the young. c. Females usually experience more intrasexual selection pressure than males. d. Females usually devote more energy to offspring production and development.arrow_forwardThe good genes model of sexual selection is a popular hypothesis for mate choice. What is an underlying flaw with the hypothesis that must be explained?arrow_forward
- Birds are more likely to form pair-bonds than mammals because … Group of answer choices: A. Bird reproductive physiology makes it easier to judge paternity certainty B. Flight makes it easier to find mates C. Bird species are unable to defend critical resources the way mammals can D. Male mammals have higher levels of testosterone making them more likely to fight E. Either bird parent can sit on the nest or feed chicks while the chicks are too young to flyarrow_forwardOne form of the Good-Genes model for the evolution of female choice that was discussed in lecture was the Costly Signaling Theory. Which of the following statements is NOT TRUE under the Costly Signaling Theory? Group of answer choices a.Female preference for exaggerated male traits confers only the fitness advantage that her sons will have the trait and her daughters will prefer the traits. b.The bigger the signal’s cost, the higher the genetic quality of the male carrying the trait c.Costly signals are examples of honest signals since there is a true cost to elaborate male traits. d.Offspring of males with costly traits have higher fitnessarrow_forwardA male and female gibbon that are similar in size likely demonstrate the lack of sexual dimorphism… A : due to the polygamous social structure in gibbons. B : as the result of unequal access to resources within their environment. C : which is not related to social structure in gibbons. D : due to adaptations related to Allen’s rule. E : due to decreased competition for mates in a monogamous social structure.arrow_forward
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