化和过冬的条件会影响化幼的表现
Molly Folkerts Caldwell1, Daniel A Warner1,2, Matthew E Wolak1
1Department of Biological Sciences, Auburn University, Auburn, Alabama, USA.
概括
早期的生活条件影响的发育. 在寒冷的温度下化时,水生过冬的海发展出更快的直立反应,与陆地海不同.
科学领域:
- 生态学和进化生物学
- 类学 类学 类学
- 发展生物学 发展生物学
背景情况:
- 生命早期的环境条件显著影响着卵性赤热动物的表型.
- 池滑 (Trachemys scripta) 的生命早期关键阶段 (蛋和过冬) 容易受到环境条件的影响.
研究的目的:
- 研究化温度和过冬环境对幼表现的综合影响.
- 评估这些因素如何影响物理尺寸和纠正反应,衡量神经肌肉功能.
主要方法:
- 在两年内,在五个恒定温度 (24°C32°C) 处化池滑鼠蛋.
- 然后将幼分配到模拟的陆地或水生过冬处理中.
- 春季进行了纠正反应试验,以衡量性能.
主要成果:
- 化温度,过冬的环境,以及它们的相互作用,显著影响了幼的表型和正性能.
- 在水中过冬的幼显示出取决于温度的纠正速度 (冷却化=更快的响应).
- 在陆地过冬的幼表现出持续更快的正时间,无论化温度如何.
结论:
- 过冬的环境在塑造化表现方面发挥着至关重要的作用.
- 陆地过冬可能会增强化后陆地分散的化准备.
- 了解这些早期生活影响是预测乌种群动态和对环境变化的反应的关键.
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