plesiomorphy

例句：

1. 1. The study of plesiomorphy has shed light on the evolutionary history of many organisms.
   研究同源演化揭示了许多生物的进化历史。
2. 2.Plesiomorphy is a fascinating field that explores how similar traits can be found in different species.
   同源演化是一个引人入胜的领域，它探索了不同物种之间如何发现相似的特征。
3. 3. In plesiomorphy, scientists look for shared characteristics among different groups of organisms.
   在同源演化中，科学家寻找不同生物群体之间的共同特征。