BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 53, Problem 8U
Summary Introduction
Introduction:
Extra-pair copulations are mating behavior seen in species which is usually monogamous to improve the reproductive fitness. In some birds, a male mate with one female only and is involved in the rearing of offspring’s. Extra-pair copulation occurs when one of these male or female mates outside this pairing.
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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.
Direct benefits derived by choosy females in mating include the following EXCEPT -
A. Help in caring for young
B. Nesting territories.
C. Protection from injuries.
D. Having more male offspring which be chosen as future mates.
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.
Chapter 53 Solutions
BIOLOGY
Ch. 53.1 - Prob. 1LOCh. 53.1 - Prob. 2LOCh. 53.1 - Prob. 3LOCh. 53.2 - Prob. 1LOCh. 53.2 - Prob. 2LOCh. 53.3 - Prob. 1LOCh. 53.3 - Prob. 2LOCh. 53.3 - Prob. 3LOCh. 53.4 - Prob. 1LOCh. 53.4 - Prob. 2LO
Ch. 53.4 - Prob. 3LOCh. 53.5 - Prob. 1LOCh. 53.5 - Prob. 2LOCh. 53.5 - Prob. 3LOCh. 53.6 - Prob. 1LOCh. 53.7 - Define migration.Ch. 53.7 - Prob. 2LOCh. 53.7 - Prob. 3LOCh. 53.8 - Prob. 1LOCh. 53.8 - Prob. 2LOCh. 53.8 - Prob. 3LOCh. 53.9 - Prob. 1LOCh. 53.9 - Prob. 2LOCh. 53.10 - Prob. 1LOCh. 53.10 - Prob. 2LOCh. 53.11 - Prob. 1LOCh. 53.11 - Prob. 2LOCh. 53.11 - Prob. 3LOCh. 53.12 - Prob. 1LOCh. 53.12 - Prob. 2LOCh. 53.12 - Prob. 3LOCh. 53.13 - Prob. 1LOCh. 53.13 - Prob. 2LOCh. 53.13 - Prob. 3LOCh. 53 - Prob. 1DACh. 53 - Prob. 2DACh. 53 - Prob. 3DACh. 53 - Prob. 4DACh. 53 - Prob. 5DACh. 53 - Prob. 1IQCh. 53 - Prob. 2IQCh. 53 - Prob. 3IQCh. 53 - What factors might be responsible for the slight...Ch. 53 - Prob. 1UCh. 53 - Prob. 2UCh. 53 - The study of song development in sparrows showed...Ch. 53 - Prob. 4UCh. 53 - Prob. 5UCh. 53 - Prob. 6UCh. 53 - Prob. 7UCh. 53 - Prob. 8UCh. 53 - In the haplodiploidy system of sex determination,...Ch. 53 - Prob. 10UCh. 53 - Prob. 11UCh. 53 - Prob. 1ACh. 53 - Refer to figure 54.25. Six pairs of birds were...Ch. 53 - Prob. 3ACh. 53 - Prob. 1SCh. 53 - Behavioral genetics has made great advances from...Ch. 53 - If a female bird chooses to live in the territory...
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- Assume you are studying a lizard that is involved in males displaying to females and females choosing males to mate with. The females will raise the offspring by themselves. Which of the following benefits might females be receiving in this system? a. Direct benefits b. Indirect benefits c. Both a. and b. d. Neither a. nor b.arrow_forwardThenumber of eggs laid by a female is called her:a.fertility.b.gonadosomatic index.c.growth form.d.rotundity.e.fecundity.arrow_forwardChimpanzee males have large testes for their body size. One widely accepted theory proposed to explain this feature is that it is … A. a form of male dominance display. B. a response to the large estrus swelling in females. C. necessary because chimpanzee females have low fertility. D. a consequence of sperm competition. E. attractive to female chimpanzees.arrow_forward
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