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How Plants Are Classified

How Plants Are Classified. 6.2-3: Compare the characteristic structures of various groups of plants (including vascular or nonvascular, seed or spore-producing, flowering or cone-bearing, and monocot or dicot ). Taxonomy level : 2.6-B Understand Conceptual Knowledge. Essential Question. ?.

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How Plants Are Classified

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  1. How Plants Are Classified 6.2-3: Compare the characteristic structures of various groups of plants (including vascular or nonvascular, seed or spore-producing, flowering or cone-bearing, and monocot or dicot). Taxonomy level: 2.6-B Understand Conceptual Knowledge

  2. Essential Question ? What are the main ways scientists classify plants?

  3. Video Information • Promethean Board Activity

  4. Classification Plants are commonly classified into two major groups based on their internal structures. These two groups are vascular and nonvascular.

  5. Vascular Plants • This is the largest group in the Plant Kingdom. • These plants have a well-developed system for transporting water and food; therefore, they have true roots, stems, and leaves. • Vascular plants have tube-like structures that provide support and help circulate water and food throughout the plant.

  6. Vascular Plant Structures • Xylem transport water and minerals from the roots to the rest of the plant. • Phloem transport food from the leaves to the rest of the plant.

  7. Vascular Plants • Examples include trees and many shrubs with woody stems that grow very tall and grasses, dandelions, and tomato plants with soft herbaceousstems.

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

  9. Nonvascular Plants • These plants do not have a well-developed system for transporting water and food; therefore, do not have true roots, stems, or leaves. • They must obtain nutrients directly from the environment and distribute it from cell to cell throughout the plant.

  10. Nonvascular Plants • This usually results in these plants being very small in size. • Examples include mosses, liverworts, and hornworts. Answer the EQ.

  11. Celery and Carrot Lab • What happened to the color of the celery leaves? What vascular structure is responsible for this change? • Look at the end of the celery. Do you see any tubes that are also colored? What is the name of these vascular structures? • Create a detailed drawing of the end of the celery. Label the structure you identified above.

  12. Lab continued • Now look at the cross-section of the carrot. Do you see the tubes? • Draw a detailed sketch of the carrot. Which tubes are the phloem and which are the xylem? Use the Internet to research and then label the structures correctly on your sketch.

  13. Definitions to know • Use your book or notes to define each key term. • Vascular • Non-vascular • Xylem • Phloem • Woody • Herbaceous

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