生物圈中的功能,机会和目的:对达尔文化盖亚假设的批判性检查
Margarida Hermida1, Samir Okasha2
1King's College London, London, UK.
概括
盖亚假设表明,生物圈自我调节地球的环境. 然而,这种"达尔文化"版本很难与自然选择和遗传等核心进化原理保持一致.
科学领域:
- 进化生物学 进化生物学
- 行星科学 行星科学
- 生态生态学 生态生态学
背景情况:
- 盖亚假设提出,生物圈通过恒温控制来积极维持地球的可居住性.
- 传统的进化论批评盖亚,理由是与自然选择对变异,繁殖和遗传的种群的要求不相容.
研究的目的:
- 评估"达尔文化"盖亚假说,这表明自然选择可以对单一的血统产生影响,以保持持久性.
- 检查达尔文化的盖亚与基本进化概念 (如适应,副产品和变异解释) 的兼容性.
主要方法:
- 达尔文化盖亚假设的概念分析.
- 与进化生物学的核心原则进行比较,包括自然选择,适应和变异与转化解释.
主要成果:
- 达尔文化的盖亚假设提出选择是为了在单一的血统中保持不变而没有繁殖.
- 分析显示,达尔文化的盖亚在与已建立的进化生物学框架相协调方面仍然面临重大挑战.
结论:
- 尽管有新的论点,但达尔文化盖亚假设并不能充分解决进化生物学中的基本异议.
- 这篇文章强调了盖亚假设和达尔文进化论之间的持久紧张关系.
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