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Introduction to Plants - Basic Overview
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Introduction to Plants - Basic Overview

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A basic overview of vascular and non vascular plants - gymnosperms and angiosperms; monocots and dicots. Appropriate for High School or advanced middle school.

A basic overview of vascular and non vascular plants - gymnosperms and angiosperms; monocots and dicots. Appropriate for High School or advanced middle school.

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  • 1. 14.0 Describe Principles of Plant Growth Production 14.2 Explore methods of classifying plants. Introduction To Plants
  • 2. Two Groups of Plants
    • Nonvascular - most primitive, rely on water coming to them.
    • Vascular - contain vascular tissue that transports water.
    • And Fungi – which are not plants
  • 3. And Non Plants
    • Fungi -
      • most primitive; do not have
      • true roots, leaves,
      • stems
      • do not contain chlorophyll in their cells
      • Obtain their food from other sources – heterotrophs or parasites
            • Reproduce asexually - spores
            • Example:
            • Mushrooms, molds, puffballs, lichens
  • 4. Mushrooms and Toadstools Found in damp, shady places Very short lifespan Most are poisonous (if it is red it is poison) Some grown for commercial use
  • 5.
    • fungi which grow in symbiosis with algae, forming a structure in which the algal cells are imbedded in the fungal structure (hyphae)
    • the algae gets water and minerals from the fungus
    • the fungus gets food from the algae which is able to conduct photosynthesis
    • found on bare rocks in a crust like, shrub like, or leaf like form
    • can be used to make perfume or for dyes
    Lichens
  • 6. Non-vascular Plant
    • Nonvascular
      • no vascular tissue
      • no leaves, stems, or roots
      • low growing, close to the ground
      • reach maturity quickly
      • can grow in varying climates
      • Produce food in every cell
  • 7. Mosses
    • a flowerless plant
    • lies flat and grows in moist areas (carpet like appearance)
    • reproduces sexually
    • Economics - used by gardeners as a mulch because it helps keep moisture close to the plants roots.
  • 8. Algae
    • different shapes, sizes, and colors
    • simple plants that contain photosynthetic pigments (chlorophyll)
    • found in wet soil
  • 9. Vascular Plants
      • has vascular tissue – tissue that moves food and nutrients around plant
      • leaves, stems, and roots
      • produces food for plant only in leaves
  • 10.
    • May have a long life span –
    • one season or many
    • grows tall and wide
    • Has chlorophyll for photosynthesis
            • examples: ferns, trees, grasses and flowering
            • plants
  • 11. Two Groups of Vascular Plants
    • Gymnosperms - naked seed
    • Angiosperms -  vessel seed
  • 12. Gymnosperm vs. Angiosperm
    • Gymnosperm -
      • expose their seeds
      • examples-pine, spruce, ferns and conifers trees
  • 13.
    • Angiosperm
      • produce and store their seeds in an ovary – often called fruit
      • examples - roses, elm trees, geraniums, apple trees, etc.
  • 14. Subclasses of Angiosperms
    • A. Monocots –
      • single seed leaf (cotyledon)
      • flowers/petals grow in groups of three
      • leaves have parallel veins
  • 15.
    • Flowers often small, overlooked
    • Usually grow for only one year
    • Examples: corn, grasses, onions, lilies and many grains
  • 16. Dicots
      • two seed leaves (cotyledons)
      • flowers/petals grow in groups of four or five
      • leaves have network veins that branch out
  • 17.
      • Examples: trees, sunflower, beans, pumpkins and clover .
    Greatest number of plants are dicots Tend to live a long time – one season or many Produce food, clothing, housing
  • 18. Review: Vascular or Non-vascular? Moss
  • 19. Review: Vascular or Non-vascular? flowering tree
  • 20. Review: Gymnosperm or Angiosperm? Rose
  • 21. Review: Gymnosperm or Angiosperm? Pine Tree
  • 22. Review: Monocot or Dicot? Corn
  • 23. Review: Monocot or Dicot? Bean

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