What Is Life? A Guide to Biology with Physiology
4th Edition
ISBN: 9781319065447
Author: Jay Phelan
Publisher: W. H. Freeman
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Chapter 11, Problem 7MC
Summary Introduction
Introduction:
In mate guarding, the female has limited access to any other mates.
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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.
Make guarding is a reproductive tactic that functions to directly: 
A. Increase the number of males to which a male has access.
B. Reduce the males paternity uncertainty.
C. Increase male reproductive output.
D. Reduce the females fitness. 

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What Is Life? A Guide to Biology with Physiology
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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_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 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_forward
- This hypothesis assumes that among male variation in the expression of ornaments reliably signals individual differences in overall quality of the males. It predicts that choosy females will produce offspring with higher survivorship or in better condition than those of less choosy females. A. Good genes process B. Bateman's principle C. Fisher-Zahavi process D. Fisher's runaway modelarrow_forwardThis 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_forwardIn animal husbandary,if two closely related animals are mated for a few generation,it result in loss of fertility and vigour.why is this so?arrow_forward
- Which of the following is an example of a question about mechanism (not function)? A. What stimuli triggers a mother bird to feed her nestling? B. How does parental care benefit the mother's inclusive fitness? C. Why do some species have parental care but not others? D. Do mother birds get better at caring for their offspring over time?arrow_forwardYou do not need the text from the image so font size does not matter. Please consider the figure, which contains data that were collected by Rice In the experiments that were performed by Ricei. males competed intensely for females, which resulted in selection for traits like 'high likelihood to remate with the same female' and 'high proportion among fertilised eggs fathered.'ii. only males experienced intense competition; females were obtained from a control population, in which no competition for mates was occurring, effectively fixing female responses.iii. males that were selected for success in mating competition were characterised by greater fitness.iv. when females were prevented from evolving compensatory life history traits, they incurred at least one cost for the benefits gained by males in increased reproductive success: greater female mortality (attributed to toxicity in male seminal fluid).v. once established, enhanced male traits were irreversible. Question 4…arrow_forwardFemale spotted sandpipers aggressively court males and, aftermating, leave the clutch of young for the male to incubate. Thissequence may be repeated several times with different males untilno available males remain, forcing the female to incubate her lastclutch. Which of the following terms best describes this behavior?(A) polygyny(B) polyandry(C) promiscuity(D) certainty of paternityarrow_forward
- 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 scursarrow_forward1. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. Should you be hawk or dove? b. The benefit of fighting for a territory is 12 reproductive units, and the cost is 8 reproductive units. What is your benefit if you play hawk and your opponent plays dove? Using Hawk Dove Game Theory https://www.youtube.com/watch?v=lshGV-qxJmIarrow_forwardIn the digger bee, some males engage in female defense polygyny, whereas other smaller males exhibit scramble competition polygyny. Describe these two mating systems and explain how they are maintained in male digger bee population.arrow_forward
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