biogeographic theory

例句：

1. 1.The biogeographic theory of evolution explains how species evolve over time.
   生物地理学理论解释了物种如何随时间演变。
2. 2.This theory has been tested in various ecosystems around the world.
   这一理论已在世界各地的各种生态系统中进行了测试。
3. 3. The biogeographic theory suggests that climate change could have a significant impact on biodiversity.
   生物地理学理论表明，气候变化可能会对生物多样性产生重大影响。