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。

Sometimes the subject is divided into paleobotany, the study of fossil plants, paleozoology, the study of fossil animals, and paleoecology.

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专业描述：我的专业有植物学与植物生理学、动物学与动物生理学、微生物学、生物化学与分子生物学等四个专业方向。

Descriptions of Course Work:MY major consists of botany and zoology, animal and plant physiology of microbiology, physiology, biochemistry and molecular biology, four professional direction.

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