Sometimes the subject is divided into paleobotany , the study of fossil plants , paleozoology , the study of fossil animals , and paleoecology 有时将古生物学分为古植物学（植物化石研究） 、古动物学（动物化石研究）以及古生态学。
2.
Phytolith plays an important role in the study of paleobotany and paleo - environment because of its small , high yield , and its ability of anti - erosion and high - temperature resistant 摘要泥炭地作为环境变化的敏感带，成为当前环境气候研究的热点之一。
