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What is a Plant?

What is a Plant?. Chapter 22.1. Plant Structures. List all the major plant structures you can. Identify all of the functions (fxn) that you can. Identify the structures that ALL plants share. What is a Plant?. Eukaryotic cells Multicellular organisms Cell walls of cellulose

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What is a Plant?

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  1. What is a Plant? Chapter 22.1

  2. Plant Structures • List all the major plant structures you can. • Identify all of the functions (fxn) that you can. • Identify the structures that ALL plants share.

  3. What is a Plant? • Eukaryotic cells • Multicellular organisms • Cell walls of cellulose • Provides stability and strength • Photoautotrophs • Photosynthesis with chlorophyll a & b “Stationary animals that eat sunlight”

  4. Survival Needs • Sunlight • Needed for photosynthesis CO2 + H2O  C6H12O6 + O2 • Water and Minerals • Water is needed for photosynthesis • Minerals are for growth

  5. Survival Needs • Gas Exchange • CO2 • IN for photosynthesis • Comes mainly from animals • O2 • OUT for animal respiration • IN for plant respiration

  6. Survival Needs • Movement of Water & Nutrients • Nutrients = food • Small molecules  • Passively by diffusion/osmosis • Large molecules  • Actively by special tissues

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