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Angiosperm & Gymnosperm

Published on Nov 21, 2015

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PRESENTATION OUTLINE

1.

ANGIOSPERMS

  • Angiosperms are commonly known as flowering plants.
  • They can be trees, herbs and shrubs.
  • Angiosperms have companion cells and xylem vessels.
Photo by listentoreason
2.

EXAMPLES

  • Cucumber
  • Oranges
  • Strawberry
Photo by Tc Morgan
3.

REPRODUCTION

  • Development of male and female gametophytes.
  • Contain both male and female gametophytes within the same flower.
  • The sperm guides the synergic cells migrate to the ovary to complete fertilization
4.

GYMNOSPERMS

  • Gymnosperms have unisexual flowers.
  • Gymnosperm is a haploid tissue while it's triploid in Angiosperm.
Photo by S. Rae
5.

EXAMPLES

  • Fir
  • Pine
  • Redwood
Photo by Chalkie_CC
6.

REPRODUCTION

  • The seeds have a thin layer that probably doesn't offer them much protection.
  • Gymnosperm means naked seeds.
  • Potential targets for the pollen grains is mostly where plants are close together.

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