Transcription of Chapter 4 The Organization Of The Plant Body
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Chapter 4 The Organization Of The Plant Body
1 Chapter 4 The Organization Of The Plant Body Plant CELLS AND TISSUES There Are Three Types of Simple Tissues: Parenchyma, Collenchyma, and Sclerenchyma Complex Tissues Make Up the Plant 's Vascular System and Outer Covering Secretory Tissues Produce and Secrete Materials MERISTEMS: WHERE CELLS DIVIDE What Is a Meristem? What Are the Categories of Meristems, and How Do They Differ? SUMMARY plants , PEOPLE, AND THE ENVIRONMENT: Plant Anatomists as Detectives? ECONOMIC BOTANY: Music from plants 2 KEY CONCEPTS 1. T h e plan t body is composed of individual cells t h at a r e o r g a nized into a g g r e g at es of cells called tissues. The cells of each tissue function as a unit. 2. Simple tissues a r e composed of cells t h a t a r e all of t h e s ame t ype. Complex tissues are composed of more than one cell type. Tissues may function as structural supports, protective coverings, or transporters of water and nutrients.
This plant body is constructed from millions of tiny cells, each having a characteristic shape and function. This chapter will examine several different cell types, tissues (aggregates of cells), and their origins from unique parts of the plant body called meristems. 4.2 PLANT CELLS AND TISSUES Around each plant cell is a cell wall.
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