Angiosperms vs gymnosperms
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Angiosperms vs. Gymnosperms - PowerPoint PPT Presentation


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Angiosperms vs. Gymnosperms. Part 2. Gymnosperms. Bear seeds directly on cones Male cones and female cones Rely on the wind to blow the seeds around Most pollen in the air is pollen from a gymnosperm Pine tree pollen is green Pollen is plant sperm. Examples of Gymnosperms.

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Gymnosperms
Gymnosperms

  • Bear seeds directly on cones

    • Male cones and female cones

  • Rely on the wind to blow the seeds around

  • Most pollen in the air is pollen from a gymnosperm

  • Pine tree pollen is green

  • Pollen is plant sperm


Examples of gymnosperms
Examples of Gymnosperms

  • Conifers – pines and spruces

  • Cycads

  • Ginkgoes

  • Gnetophytes


Angiosperms
Angiosperms

  • Have flowers

  • Advantages

    • Attract animals - (bees, moths hummingbirds) to transport pollen from flower to flower

    • Don’t rely on wind for pollination


Angiosperms1
Angiosperms

  • Flowers

    • Contain ovaries –surround and protect the seed

  • Ovary becomes a fruit

    • Surrounds the seed

    • Animal eats the fruit, seeds pass through the digestive system, seeds are deposited


Examples of angiosperms
Examples of Angiosperms

  • Grasses

  • Flowering trees and shrubs

  • Wildflowers and cultivated flowers


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