intraspecific competition

例句：

1. 1. Intraspecific competition is a major factor influencing the survival of species.
   同种内竞争是影响物种生存的主要因素。
2. 2. The study of intraspecific competition helps us understand how species adapt to changing environments.
   研究同种内竞争有助于我们理解物种如何适应不断变化的环境。
3. 3.Competition within a species can lead to genetic diversity and adaptation, which is crucial for the survival of the species.
   同种内竞争可能导致遗传多样性和适应性，这对于物种的生存至关重要。