Consider the following hypothetical species:

Females are promiscuous and mate with multiple males during each reproductive cycle.

What trait is this species most likely to have?

Question

Consider the following hypothetical species:

Females are promiscuous and mate with multiple males during each reproductive cycle.

What trait is this species most likely to have?

BlackTom AI · Accepted Answer

The prompt presents a hypothetical species where females are promiscuous and mate with multiple males during each reproductive cycle. 
Because females engage in multiple matings, males experience sperm competition, where the testes and associated reproductive traits influence paternity success. 
Option analysis cannot be completed in full since no answer choices are provided to compare against; the provided data lists an intended correct answer—'Adaptations for sperm competition'—but there are no alternative options to evaluate for plausibility or to contrast with.
When interpreting the scenario, the logical inference is that species with high levels of female mating with multiple partners exert selective pressure on males to evolve traits that improve their chances in sperm competition. Examples of such adaptations, in general, include larger testes to produce more sperm, more competitive sperm, specialized sperm morphology, and behaviors that influence female remating or fertilization dynamics. 
If there were multiple-choice options, they would likely include statements such as: 'Adaptations for sperm competition,' 'Males invest primarily in parental care and mating display without sperm competition,' or 'Females control paternity exclusively through mate choice with no sperm competition.' The correct choice would align with the presence of sperm competition due to polyandrous mating.
In sum, given promiscuous mating by females, the most plausible trait under strong evolutionary pressure is adaptations for sperm competition, while any option denying or minimizing sperm competition would be inconsistent with the described mating pattern. The absence of provided options prevents a complete itemized critique of each alternative, but the core principle remains: polyandrous mating selects for male traits that enhance fertilization success in the face of sperm competition.

Consider the following hypothetical species: Females are promiscuous and mate with multiple males during each reproductive cycle. What trait is this species most likely to have?单项选择题

类似问题

Which of the following is true about sperm competition and male physiology?

Rick presented a study in the Week 2 lecture "Sperm Wars" that investigated the efficacy of the human penis as a sperm displacement device. How did the researchers conduct their experiment?

Does the following trait(s) best characterize: humans, chimpanzees, or both (humans and chimpanzees)? Larger testes size than expected given size.

Given what we learned about the general relationship between testis size and body size, if a certain species of goat has larger testes than would be expected given their body size , what might you expect about male/female relations?

What traits would you expect in a species with strong sperm competition? (Select two answers)

Identify the feature outlined in the red dashed circle in this image.

Which of the following is true of the use of female rodents in basic research?

Rick presented an experiment in Lecture 3.3 ("Are You Experienced?") about the impacts of cocaine on sexual behaviour. What did the authors find?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单