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相关概念视频

Natural Selection and Mating Preferences01:06

Natural Selection and Mating Preferences

329
The principle of natural selection posits that organisms better adapted to their environment are more likely to survive and reproduce. This principle is closely intertwined with mating preferences, a key aspect of sexual selection, which evolutionary psychologists believe is driven by instincts to propagate one's genes. Such instincts significantly influence mating behaviors and preferences between genders.
Females, due to their biological roles in conception, pregnancy, and nursing,...
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Types of Selection01:46

Types of Selection

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Natural selection influences the frequencies of particular alleles and phenotypes within populations in several different ways. Primarily, natural selection can be directional, stabilizing, or disruptive. Directional selection favors one extreme trait and shifts the population towards that phenotype while selecting against individuals displaying alternate traits. Stabilizing selection favors an intermediate trait with a narrow range of variation. Deviation from the optimal phenotype towards an...
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Mate Choice01:20

Mate Choice

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Mate choice—the decision about whom to mate with—is a type of natural selection, since animals must reproduce to pass down their genes. Mate choice is also called intersexual selection because the behavior occurs between the sexes.
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Inclusive Fitness00:57

Inclusive Fitness

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Most altruistic behavior—in which one animal helps another at a cost to themselves—occurs between relatives. Scientists think these altruistic behaviors evolved because they increase the inclusive fitness of the animal providing help.
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Evolutionary Psychology01:20

Evolutionary Psychology

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Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the...
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Criticisms of the Evolutionary Perspective01:23

Criticisms of the Evolutionary Perspective

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In a study where individuals posing as strangers offered compliments and proposed casual sex to students, the responses differed significantly based on gender. Not a single woman accepted the proposal, while 70% of the men agreed. This outcome provides a useful scenario to explore through the lens of evolutionary psychology and social learning theory, highlighting the diverse perspectives on human sexual behaviors.
Evolutionary psychology provides one explanation for these findings, suggesting...
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相关实验视频

Updated: Dec 4, 2025

Obtaining Specimens with Slowed, Accelerated and Reversed Aging in the Honey Bee Model
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野生老化黑猩猩的社会选择性

Alexandra G Rosati1, Lindsey Hagberg2, Drew K Enigk3

  • 1Departments of Psychology and Anthropology, University of Michigan, Ann Arbor, MI, USA. rosati@umich.edu zarin.machanda@tufts.edu.

Science (New York, N.Y.)
|October 23, 2020
PubMed
概括

老化中的雄性黑猩猩发展出更多的相互友, 这表明社会选择性可以在没有复杂的未来思维的情况下发展,为人类社会衰老模式提供进化见解.

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科学领域:

  • 灵长类动物
  • 进化人类学
  • 行为生态学

背景情况:

  • 社会情感选择性理论认为,由于未来的时间导向,人类在衰老中优先考虑密切的关系.
  • 了解社会衰老的进化根源需要研究非人类灵长类动物.

研究的目的:

  • 在野生黑猩猩身上测试人类社会衰老理论的关键要素.
  • 调查社会选择性是否在没有复杂的面向未来的认知中出现.

主要方法:

  • 对野生黑猩猩社会行为的纵向数据分析.
  • 检查友质量的变化,社会互动类型和孤独随着年龄的增长.

主要成果:

  • 与年轻的黑猩猩相比, 老的黑猩猩雄性表现出更多的互惠,公平的友.
  • 年长的雄性花更多的时间独自生活,
  • 在男性中观察到寿命从痛苦交互转变为关联交互.

结论:

  • 年龄化的社会选择性可以独立于复杂的未来时间认知.
  • 黑猩猩的社会衰老模式为人类的社会行为提供了进化背景.
  • 这些发现挑战了发展与年龄相关的社会偏好所需的面向未来的认知.