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How Plants Are Classified

This text explores the classification of plants into two main groups: vascular and nonvascular. Vascular plants, which include trees and shrubs, possess a well-developed system of xylem and phloem that transports water and nutrients. In contrast, nonvascular plants, such as mosses and liverworts, lack true roots, stems, and leaves, relying on direct environmental absorption for resources. The information also emphasizes the characteristics of each group, including the specific functions of xylem and phloem in nutrient transport, and engages readers through interactive examples and thought-provoking questions.

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How Plants Are Classified

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Presentation Transcript

  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?

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