Concept explainers
To explain: The conditions in sexual selection that favor polygynous (or polyandrous) mating systems.
Introduction: The selection of the species is chosen by nature itself. Criteria of adaptability and having the superior genes that are beneficial for the population in an individual are promoted by the natural selection. The variations that are adopted by the individual serve the criteria for a better survival rate of the species.
To explain: The reason why monogamy is uncommon.
Introduction: The selection of the species is chosen by nature itself. Criteria of adaptability and having the superior genes that are beneficial for the population in an individual are promoted by the natural selection. The variations that are adopted by the individual serve the criteria for a better survival rate of the species.
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Biology (MindTap Course List)
- With your knowledge of sexual selection theory, can you formulate a hypothesis that explains why female courtship might have evolved in this species? Is there anything about pipefish biology that might support your hypothesis?arrow_forwardWould 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?arrow_forwardWhich 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_forward
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- Would you expect environmental conditions to influence syngamy? Design two experiments to investigate the effects of two environmental conditions on the frequency of syngamy. How would you measure syngamy? Its frequency?arrow_forwardWhy are polyandrous mating systems more rare than polygynous matings? Only males are capable of multiple rounds of reproduction within a single breeding season Only females care for the young Females usually experience more intrasexual selection pressure than males Females usually devote more energy to offspring production and development.arrow_forward why do females have a greater disadvantage compared to males concerning sexual reproduction? How has this difference between the sex shape sexual selection in general? Choose one form of communication and explain how it is used by competing sex is attracting a mate. arrow_forward
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