7th Grade Chapter 2 Lesson 5

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7th Grade Chapter 2 Lesson 5

  1. 1. Chapter 2 Lesson 5 Pgs. 56-61 For Student Use Only
  2. 2. Plants <ul><li>Monocots </li></ul><ul><ul><li>Monocots- have one cotyledon </li></ul></ul><ul><ul><li>Parallel Veins </li></ul></ul><ul><ul><li>Petals in multiples of 3 </li></ul></ul><ul><ul><li>Fibrous root systems </li></ul></ul><ul><li>Dicots </li></ul><ul><ul><li>Dicots- have two cotyledons </li></ul></ul><ul><ul><li>Branched veins </li></ul></ul><ul><ul><li>Petals in multiples of four or five </li></ul></ul><ul><ul><li>Taproot system </li></ul></ul>
  3. 3. Plants <ul><li>Dicots: </li></ul><ul><ul><li>Almost 3/4 (three-fourths) of all the species of flowering plants are dicots </li></ul></ul><ul><ul><li>Examples: buttercups, milkweed, mint, buttercup </li></ul></ul><ul><li>Monocots: </li></ul><ul><ul><li>Grass family </li></ul></ul><ul><ul><li>Lily Family </li></ul></ul><ul><ul><li>Grows from bulbs </li></ul></ul>
  4. 4. Plants <ul><li>Lily Family: </li></ul><ul><ul><li>Have petals in groups of three </li></ul></ul><ul><ul><li>Grow from bulbs </li></ul></ul><ul><ul><ul><li>Bulbs: structure made layers of thick, fleshy leaves surrounding a very short stem </li></ul></ul></ul><ul><ul><li>Includes aloes, Joshua Tree, and Yuccas </li></ul></ul>
  5. 5. Plants <ul><li>Amaryllis Family: </li></ul><ul><ul><li>Half grow from bulbs </li></ul></ul><ul><ul><li>Other grow from Corms or Rhizomes </li></ul></ul><ul><ul><ul><li>Corms- thick vertical underground stems </li></ul></ul></ul><ul><ul><ul><li>Rhizomes- horizontal stems lying along the ground </li></ul></ul></ul><ul><ul><li>Location of Ovaries: </li></ul></ul><ul><ul><ul><li>Inferior- attached below other flower parts </li></ul></ul></ul><ul><ul><ul><li>Superior- attached above other </li></ul></ul></ul><ul><li>Ex. Daffodil, Wild Onion, Chive, Belladonna Lilly </li></ul>
  6. 6. Plants <ul><li>Grasses- Meadow Plants </li></ul><ul><ul><li>Characteristics: </li></ul></ul><ul><ul><ul><li>Grasses weight is all on the roots </li></ul></ul></ul><ul><ul><ul><li>Has a stolon: </li></ul></ul></ul><ul><ul><ul><ul><li>Stolon- creeping stem that grows above the ground </li></ul></ul></ul></ul><ul><ul><ul><li>Has a stem: </li></ul></ul></ul><ul><ul><ul><ul><li>Called a culm </li></ul></ul></ul></ul><ul><ul><ul><li>Has a node- joint in the grass </li></ul></ul></ul>
  7. 7. Plants <ul><li>Grasses- Meadow Plants </li></ul><ul><ul><li>Characteristics: </li></ul></ul><ul><ul><ul><li>Leaf is made of a sheath and a blade </li></ul></ul></ul><ul><ul><ul><li>Spikelets- small flowers </li></ul></ul></ul><ul><ul><ul><li>Grain- seed from grass </li></ul></ul></ul><ul><ul><li>Types of Grasses: </li></ul></ul><ul><ul><ul><li>Bamboo or Sugar Cane </li></ul></ul></ul><ul><li>Grasses are the most important group of plants on Earth. </li></ul>
  8. 8. Plants <ul><li>Grasses: </li></ul><ul><ul><li>All cereals (wheat, barley, rye, oats, and rice) are grasses. </li></ul></ul><ul><ul><li>They have a green color (which is relaxing). </li></ul></ul>

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