biological limits

例句：

1. 1.The species' ecological limits are defined by the environment it can survive in.
   物种的生态限制是由它能够生存的环境定义的。
2. 2.The researcher found that the organism's biological limits were exceeded during the experiment.
   研究者发现，在实验中该生物体的生物学限制被超越了。
3. 3.The study revealed that the species' biological limits were significantly higher than previously thought.
   研究显示，该物种的生物学限制比之前认为的要高得多。