Asked by Joseph Wilson on Jun 18, 2024
Verified
Female widowbirds that prefer to mate with long-tailed males produce long-tailed sons and daughters that also prefer males with long tails. This is an example of
A) direct benefits.
B) the good genes model of sexual selection.
C) the runaway selection model of sexual selection.
D) the chase-away selection model of sexual selection.
Widowbirds
A group of bird species known for their mating behaviors, including the male's long tail feathers used to attract females.
Long-Tailed Sons
A hypothetical or specific trait in certain species where male offspring have an extended tail feature, potentially influencing mating success or survivability.
- Learn about the concepts within sexual selection models, including direct benefits, high-quality genes, runaway selection, and chase-away selection.
- Gain an understanding of the methods of mate selection and the role of female preferences in shaping male qualities.
Verified Answer
SR
Sydney RiemerJun 21, 2024
Final Answer :
C
Explanation :
The runaway selection model of sexual selection explains this scenario, where an initially arbitrary female preference for a specific trait (in this case, long tails) leads to an evolutionary process where males with longer tails are more likely to reproduce, not necessarily because the trait itself offers survival advantages, but because it is preferred by females. This preference is then passed on to the next generation, creating a positive feedback loop that can lead to exaggerated male traits.
Learning Objectives
- Learn about the concepts within sexual selection models, including direct benefits, high-quality genes, runaway selection, and chase-away selection.
- Gain an understanding of the methods of mate selection and the role of female preferences in shaping male qualities.
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