资源适应驱动了白的大小复杂性规则
1Natural Resources Program, Federal University of Roraima, Av. Nova Iorque, Aeroporto, Boa Vista - RR, CEP: 69.304-000, Brazil.
Proceedings. Biological sciences
|January 10, 2024
概括
较大的白殖民地不一定会演变为更无菌的种类. 相反,增加无菌种姓数量与资源获取有关,而不是殖民地规模本身.
科学领域:
- 进化生物学是进化的生物学.
- 昆虫的社会化行为.
- 行为生态学 行为生态学
背景情况:
- 规模-复杂性规则表明,较大的合作团体发展出更大的分工.
- 这在具有更多细胞类型的多细胞生物和具有更多种姓的真社会昆虫中观察到.
- 然而,群体规模和劳动分工都可能受到资源可用性的影响.
研究的目的:
- 为了研究白中无菌种姓数的进化,白是一种鲜为人知的社会昆虫群体.
- 测试殖民地规模是否会增加分工 (种姓号) 或资源可用性是主要因素.
主要方法:
- 编制了90种白物种的无菌种姓数和生态因素的新数据集.
- 分析了无菌种群数量,殖民地规模和与资源相关的特征 (巢穴食物分离,土壤养) 之间的关系.
- 对遗传学效应和资源适应进行控制,以隔离种姓进化的驱动因素.
主要成果:
- 最初观察到无菌种群数量和殖民地大小之间的正相关性.
- 在控制了植物遗传和资源适应后,这种关系消失了.
- 无菌种群数量随着巢食分离而增加,随着土壤养而减少,主要是由于工人形态型的变化.
- 发现殖民地大小随着食分离而增加,这解释了与种姓数量的虚假相关性.
结论:
- 复杂的昆虫社会的进化,如白,是通过适应来增强能量获取驱动的.
- 增加无菌种姓数量与资源的可获得性有关,而不仅仅是殖民地规模更大.
- 殖民地规模更大似乎是为了更好地获得资源而进行的适应的副产品.
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