北大植物生物学课件第1讲 绪论.pdf

A Brief Introduction to Plant Biology Plants and People For many centuries, humans have relied on plants for survival and pleasure. • Asian civilizationsrice • Middle Eastern civilizationswheat and barley • American civilizationscorn Flax—Linum usitassimum Pepper--Piper nigrum Tea--Camellia sinensis Foxglove--Digitalis purperea Cocoa--Theobroma cacao Clogging the waterways Water hyacinth—Eichhornia crassipes 植物生物学 Plant Biology/Botany • 植物生物学的概念Concepts of Plant Biology • 植物与植物生物学Plants versus Plant Biology • 植物生物学与科学Plant Biology and Science • 科学的本质Nature of Science – 科学的特征 Characteristics of Science – 科学的目的 Objectives of Science – 科学方法论 Methodology of Science Plant Biology/Botany Plant biology a subdivision of Biology, the study of life. Simply speaking, it is the scientific study of plants at different levels. At present, plant biology has been divided into many scientific disciplines based on the different research levels and objectives, e.g. plant physiology, morphology, anatomy, taxonomy, cytology, genetics, ecology and so on. 生物圈 组织 生态系统 细胞 群落 细胞器 物种 Species 居群 分子 多细胞生物体 器官系统 器官 植物形态学和植物解剖学 Plant Morphology and Plant Anatomy • Plant morphology the study of the form of plants. • Plant anatomy the study of plant internal structure 植物生理学 Plant Physiology • Plant physiology the study of h