theory of organic selection

例句：

1. 1.The organic selection theory is a fundamental concept in the field of ecology.
   有机选择理论是生态学领域的基本概念。
2. 2.The organic selection theory has been widely applied in various fields, including agriculture and medicine.
   有机选择理论已被广泛应用于农业和医学等领域。
3. 3.In the organic selection theory, organisms are selected based on their ability to adapt to their environment.
   在有机选择理论中，生物体是根据它们适应环境的能力来被选择的。