Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Natural Selection and Adaptation01:15

Natural Selection and Adaptation

206
Natural selection, a fundamental concept in evolutionary biology, is the mechanism by which evolution is driven, favoring organisms that are best adapted to their environments. This process enhances their chances of survival and reproduction. Adaptation, a key outcome of this process, involves genetic modifications that optimize an organism's functionality under specific environmental challenges, such as extreme cold or thinner air at high altitudes.
Beyond physical adaptations,...
206
What is Natural Selection?01:32

What is Natural Selection?

115.2K
Natural selection is an evolutionary process in which individuals with survival-promoting traits reproduce at higher rates. These favorable traits become more common within a population or species. Naturally selected traits initially arise via random genetic mutations. In order for selection to occur, there must be variation within a population, the trait controlling the variation must be heritable, and there must be an evolutionary advantage for variation in the trait.
115.2K
Adaptations that Reduce Water Loss01:57

Adaptations that Reduce Water Loss

25.6K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.6K
Global Climate Change01:50

Global Climate Change

24.4K
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global temperatures is well outside of the Earth’s cyclic norms, and evidence for human-caused global climate change is compelling. Paleoclimatology, the study of ancient climate conditions, provides ample evidence for human-caused global climate change by comparing recent conditions with those in the past.
24.4K
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

13.5K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.5K
Limits to Natural Selection01:38

Limits to Natural Selection

31.3K
Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.
31.3K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Facing rising temperatures in urban environments: the role of phenological plasticity in an urban-dwelling passerine, Parus major.

Proceedings. Biological sciences·2026
Same author

LepEU: A Consortium to Study the Population Genomics of Butterflies and Moths Across Europe.

Evolutionary applications·2026
Same author

Facing rising temperatures in urban environments: the role of phenological plasticity in an urban-dwelling passerine, Parus major.

Proceedings. Biological sciences·2026
Same author

Changes in phenology mediate vertebrate population responses to temperature globally.

Nature communications·2026
Same author

Herbivory Modifies the Role of Spatial Processes in a Grassland Plant Metacommunity.

Ecology letters·2025
Same author

Phenological Plasticity and Its Temperature-Related Drivers in Common Songbirds Across Europe.

Global change biology·2025
Same journal

Realization of ongoing evolutionary adaptation in the field.

Evolution letters·2026
Same journal

Increased adaptive potential in novel environments can be predicted from genetic variance in development time expressed in native environments.

Evolution letters·2026
Same journal

Developmental speed and chronological time exert opposing effects on the spontaneous mutation rate in <i>Chironomus riparius</i>.

Evolution letters·2026
Same journal

Pace of life predicts parasite resistance and fecundity tolerance, but not mortality tolerance, among Trinidadian guppies, <i>Poecilia reticulata</i>.

Evolution letters·2026
Same journal

Phylograms better fit neutrally evolving traits than chronograms.

Evolution letters·2026
Same journal

Urbanization correlates with genetic and plastic variation of <i>Impatiens capensis</i> flower morphology.

Evolution letters·2026
查看所有相关文章

相关实验视频

Updated: Jul 2, 2025

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

3.0K

进化的适应气候变化.

Allan H Edelsparre1, Mark J Fitzpatrick2, Marjo Saastamoinen3,4

  • 1Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, ON, Canada.

Evolution letters
|February 19, 2024
PubMed
概括
此摘要是机器生成的。

气候变化对生命产生重大影响,通过各种表型特征推动进化适应. 了解这些适应的遗传和表观遗传基础对于预测未来的生物反应至关重要.

关键词:
适应 适应 适应 适应气候变化 气候变化 气候变化表观遗传学是指表观遗传学.进化基因组学是进化的基因组学.预测 预测 预测 预测

更多相关视频

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

6.0K
Author Spotlight: Understanding Microbe Adaptation Using Innovative Techniques for Exploring Thermophilic Evolution
08:11

Author Spotlight: Understanding Microbe Adaptation Using Innovative Techniques for Exploring Thermophilic Evolution

Published on: June 14, 2024

758

相关实验视频

Last Updated: Jul 2, 2025

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

3.0K
Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates
08:25

Impedance Pneumography for Minimally Invasive Measurement of Heart Rate in Late Stage Invertebrates

Published on: April 4, 2020

6.0K
Author Spotlight: Understanding Microbe Adaptation Using Innovative Techniques for Exploring Thermophilic Evolution
08:11

Author Spotlight: Understanding Microbe Adaptation Using Innovative Techniques for Exploring Thermophilic Evolution

Published on: June 14, 2024

758

科学领域:

  • 进化生物学 进化生物学
  • 气候变化科学 气候变化科学
  • 遗传学和表观遗传学

背景情况:

  • 气候变化是由气温上升驱动的,对全球生物多样性产生了深刻而持久的影响.
  • 虽然有机体对气候变化的反应得到了记录,但适应性表型特征的全谱及其遗传基础仍然不完全理解.
  • 区分塑料和遗传适应性变化是具有挑战性的,由人口因素和其他选择性压力的相互作用进一步复杂化.

研究的目的:

  • 探索影响生物体对气候变化的进化适应的多方面的因素.
  • 识别涉及气候变化适应的更广泛的表型特征,超出传统的例子.
  • 研究适应性反应的基因和表观遗传机制,并提高进化结果的预测能力.

主要方法:

  • 审查和综合当前关于不同种类的气候变化适应性的研究.
  • 分析自然和性选择如何调解气候驱动的适应性反应.
  • 探索表型可塑性,遗传同化和适应中的表观遗传修饰之间的相互作用.

主要成果:

  • 适应性特征不仅包括范围的变化和改变的性别决定,还包括社会/性冲突和压力激素调节.
  • 气候驱动的选择通过自然和性选择影响与健康相关的特征 (后代生长,生育能力) 和进化潜力.
  • 预测适应性反应是复杂的,需要考虑各种特征和潜在的遗传/表观遗传机制.

结论:

  • 对气候变化适应的全面理解需要整合各种表型特征,包括经常被忽视的社会和生理因素.
  • 阐明适应性特征的遗传和表观遗传结构是预测气候变化下的进化轨迹的关键.
  • 十项拟议的行动旨在提高对生物如何基因适应正在进行的气候变化的预测,指导未来的研究方向.