Among the Great Apes, yet unlike our chimpanzee and bonobo 'cousins', as humans we combine a unique evolutionary blend of different physical and behavioral traits commonly identified with either 'pair-bonding' or 'tournament' species. Which of the following options below inaccurately matches our shared characteristics with each type? Select one: a. moderate to high degree of sexual dimorphisms - tournament b. moderate to highly monogamy in coupled relationships - tournament c. male mate pickiness - pair bonding d. high parental investment - pair bonding e. females selecting mates for parenting skill - pair bonding f. moderate to high variability in male reproductive success & aggression - tournament

Among the Great Apes, yet unlike our chimpanzee and bonobo 'cousins', as humans we combine a unique evolutionary blend of different physical and behavioral traits commonly identified with either 'pair-bonding' or 'tournament' species. Which of the following options below inaccurately matches our shared characteristics with each type? Select one: a. moderate to high degree of sexual dimorphisms - tournament b. moderate to highly monogamy in coupled relationships - tournament c. male mate pickiness - pair bonding d. high parental investment - pair bonding e. females selecting mates for parenting skill - pair bonding f. moderate to high variability in male reproductive success & aggression - tournament

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter17: Processes Of Evolution

Section: Chapter Questions

Problem 4SA

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Normally, male red ducks only try to mate with females of their own species. A researcher swapped eggs between the nests of red ducks and blue ducks (a different species) and found that if male red ducks were raised by female blue ducks, later in life they only tried to mate with female red ducks. Which of the following inferences is supported by these results? Group of answer choices The mate preference of male red ducks is environmental. The mate preference of male red ducks is genetic. The mate preference of male red ducks is innate. The mate preference of male red ducks is learned.
The images below depict a female (left) and male (right) primate of the same species. Based on these images, would you agree that a high degree of sexual dimorphism is present? If so, what traits indicate this? Mark all that apply. Group of answer choices Yes, a high degree of sexual dimorphism. No sexual dimorphism - these would be considered an example of sexual monomorphism. Male has much larger canines. Male has a sagittal crest Male is much larger in overall size
Assume you are studying a species of slug where the eggs are fertilized and transferred to the male. As a result the male is not able to increase reproductive success by mating with multiple partners. Therefore which of the following about sexual selection in this species is not true? Females are more likely to develop traits that signal genetic quality to males. Females will be able to increase reproductive success with increased mating partners. Sexual selection in males will lead them to be choosy with what females they mate with. Sexual selection in males will lead them to mate indiscriminately when they find a female.
What sorts of studies would we undertake in order to confirm that human mating behaviors are truly driven by biological forces, e.g., evolutionary fitness, rather than cultural or societal advantages?
The images below depict a female and male primate of the same species. Based on these images, would you agree that a high degree of sexual dimorphism is present? If so, what traits indicate this? Mark all that apply. Group of answer choices No sexual dimorphism - these would be considered an example of sexual monomorphism. Male is much larger in overall size Male has a sagittal crest Male has much larger canines.
Applying Hamilton’s Rule, will natural selection favor helping a half sibling if the incremental fitness benefits to him are 6 times greater than the fitness costs to the helper? Explain your logic with a calculation.
Based on the data shown in the graph, select the statements that describe what happens whenever one sex becomes rare or common. When one sex becomes rare, parents producing that sex have higher fitness due to a higher probability of mating success in their offspring. The rare sex becomes more common. When one sex becomes common, parents producing that sex have reduced fitness due to a lower probability of mating success in their offspring. The common sex becomes rarer. When one sex becomes rare, the other sex becomes common due to random fluctuations in the production of male and female offspring. The fitness of the parents is not affected. When one sex becomes either more rare or more common, parents produce an equal number of sons and daughters. The sex ratio returns to an equal number of males and females.
Kingma et al. (2011) found that in the purple-crowned fairy-wren, most subordinate helpers at the nest feed full siblings or half siblings, but some helpers are unrelated to the nestlings they assist. What Darwinian puzzle is created by these findings, and how might you solve the puzzle by using inclusive fitness theory? What predictions follow from the explanation(s) that you propose?
Would you expect sexual selection to increase or decrease adaptation of a population to its environment? Do the pleiotropic effects and good genes mechanism for the evolution of female preferences differ in their implications for adaptation to the environment?
Would you expect sexual selection to increase or decrease adaptation of a population to its environment? A. Consider male-male competition first. B. Then consider the different mechanism for the evolution of female preferences and their implications for adaptation to the environment? Explain your thinking.
In the purple-crowned fairy-wren (Malurus coronatus), most subordinate helpers at the nest feed full siblings or half siblings, but some helpers are unrelated to the nestlings they assist (Kingma et al. 2011). What Darwinian puzzle is created by these findings, and how might you solve the puzzle by using inclusive fitness theory, as Uli Reyer did in his pied kingfisher study? What predictions follow from the explanation(s) that you propose? Please Do not write from an online source
As you know chimpanzees in neighboring groups in the forest show 4-5 times as much genetic difference as any two human populations. Is it reasonable to expect that trait that show genetic variation in humans, such as the structure of the hand and the brain, might show significant variation between chimpanzee populations? Why or why not?