Gymnosperms - PowerPoint PPT Presentation

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Gymnosperms

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Gymnosperms & Angiosperms G: seed plant that produces naked seed No fruit Cones Pine trees Oldest type of seed plant Reproduction in Gymnosperms Pollen released ... – PowerPoint PPT presentation

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Title: Gymnosperms


1
Gymnosperms Angiosperms
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  • G seed plant that produces naked seed
  • No fruit
  • Cones
  • Pine trees
  • Oldest type of seed plant

3
Reproduction in Gymnosperms
  • Pollen released from male cone
  • Transported by wind to female
  • Seed forms
  • Seeds dispersed by wind

4
Angiosperms
  • Flowering plants
  • Fruits

5
Parts of a flower
Petal
Anther
Stigma
Stamen
Style
Filament
Pistil
Ovary
Sepal
6
Pollination of angiosperms
  • Pollen from anther lands on stigma
  • Pollen grows tube down style to ovary
  • Sperm cells fertilize egg cells
  • Seed forms

7
Ways pollination occurs
Bees, birds, flies, beetles, bats, wind
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  • The seed has 3 parts
  • Embryo (baby)
  • Endosperm (food for baby)
  • Coat (protection for baby)

Embryo
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Germination
Process of sprouting from a seed
cotyledons
1st leaves that are grown are called cotyledons
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