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How Plants Are Classified

How Plants Are Classified

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How Plants Are Classified

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  1. How Plants Are Classified The Big Two

  2. Link What’s the purpose of a hose pipe?

  3. Essential Question ? • How are plants classified into two main groups? • Does the stem/leaf have tubes? • Yes – Vascular • No - Nonvascular

  4. Vascular Plants • The largest group • Well developed system for transporting water & food • True roots, stems, & leaves • Tube-like structures that support plant & circulate water & food

  5. Vascular Plants • Two main groups of vascular based on stem type • Woody stems: trees & shrubs (tall) • Herbaceous stems: grasses, dandelions, tomato plants (soft, shorter stems)

  6. Have you heard Buzz Lightyear’snew nickname? It’s herbaceous….because he’s not Woody!

  7. Xylem & Pholem • Xylem – moves water from roots to plant • Pholem – moves food from leaves to plant (food and pholem start with the same sound)

  8. Xylem & Pholem Dance

  9. Draw some vascular plants

  10. Nonvascular Plants • No well-developed system for transporting water and food • No true roots, stems, or leaves • Must get resources directly from the environment • Passes on water and food cell-by-cell

  11. Draw these nonvascular plants Moss Liverwort

  12. Nonvascular Plants • Line up along the outside of the classroom, shoulder to shoulder. • Find a way to pass water from one end to the other using a cup. • Was this effective? • Why do you think nonvascular plants are small?