BIOLOGY VOL. II
16th Edition
ISBN: 9781308795317
Author: Raven
Publisher: Mcgraw-Hill/Create
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Textbook Question
Chapter 54, Problem 8U
The elaborate tail feathers of a male peacock evolved because they
a. improve reproductive success of males and females.
b. improve male survival.
c. reduce survival.
d. None of the choices is correct.
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A cow with scurs and a bull with no scurs have an offspring. Thisoffspring could bea. a female with scurs or a male with scurs.b. a female with no scurs or a male with scurs.c. a female with scurs or a male with no scurs.d. a female with no scurs or a male with no scurs
Is sexual selection or natural selection the driver for the differences between males and females?
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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
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Chapter 54 Solutions
BIOLOGY VOL. II
Ch. 54 - Prob. 1UCh. 54 - Prob. 2UCh. 54 - The study of song development in sparrows showed...Ch. 54 - Prob. 4UCh. 54 - Prob. 5UCh. 54 - Prob. 6UCh. 54 - Prob. 7UCh. 54 - The elaborate tail feathers of a male peacock...Ch. 54 - Prob. 9UCh. 54 - In the haplodiploidy system of sex determination,...
Ch. 54 - Prob. 11UCh. 54 - Prob. 12UCh. 54 - Prob. 1ACh. 54 - Refer to figure 54.25. Six pairs of birds were...Ch. 54 - Refer to figure 54.27. Peahens prefer to mate with...Ch. 54 - Prob. 4ACh. 54 - Prob. 1SCh. 54 - Behavioral genetics has made great advances from...Ch. 54 - If a female bird chooses to live in the territory...
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- #4: In clown fish (chose one answer) A. Individuals are protandrous.B. It is better to be male when you are small and a female when you are big.C. Everyone begins life as a male.D. All of the abovearrow_forwardEvolutionary change caused by natural selection results in species witha. greater complexity.b. less complexity.c. greater reproductive success in their native environment.d. the ability to survive longer.arrow_forwardWhich 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.arrow_forward
- Which of these situations offers the lowest “opportunity for selection” for males? A. Females choose mates with a fancy ornament. B. Every female chooses one male to mate with for life. C. Locations that females need access to in order to reproduce are rare. D. Males fight each other for access to groups of females.arrow_forwardIn the paper by John Endler about colored spots in guppies, Endler finds that Select one: a.female guppies become more colorful in the presence of predators. b.female guppies become less colorful in the presence of predators. c.male guppies become less colorful in the presence of predators. d.male guppies become more colorful in the presence of predators. e.No change in color occurs in both male and female guppies, providing an example of a population at Hardy-Weinberg equilibrium.arrow_forwardQuestion:- The feathered head crest of a male Gambel’s quail: a. is used to signal passive or aggressive interactions. b. can be used to deceive predators. c. may be used for communication because it is a preexisting trait. d. both a and c.arrow_forward
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- This hypothesis suggests that a resulting association of female preference and male display trait can lead to a positive feedback cycle of ever stronger preference and greater display trait. A. Fisher-Zahavi process. B. Fisher's runaway model. C.Good genes process. D.Bateman's principle.arrow_forwardHow was stress helpful for us in our evolutionary past? A. None of these are correct. B. It helped us to be independent and live alone. C. It gave us fight or flight instincts and helped us avoid danger. D. Stress is never useful and it only harmed our early ancestors.arrow_forward. In white-crowned sparrows, social experience exhibits a very stronginfluence over the development of singing patterns. What observation led to this conclusion?a. Birds learned to sing only when they were trained by other birds.b. The window in which birds learn from other birds is wider thanthat in which birds learn from tape recordings.c. Birds could learn different dialects only from other birds.d. Birds that learned to sing from a tape recorder could change theirsong when they listened to another bird.arrow_forward
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