Chapter 29Plant Diversity I:
The Colonization of Land
Question ?
What are the characteristics of Plants?
Additional Characteristics
Solution - Stomata
Secondary Products
Antheridia
Sterile cells
Sperm
Archegonia
Sterile Cells
Egg
Plants: Evolutionary Trends
Evolution of Plants
Evolutionary Advancement in Plants
Movement from water to land
Nonvascular Land Plants
Divisions or Phyla:
Characteristics
Moss Leaf
Gametophyte
Antheridia Archegonia
Sporophyte
Sporangium Spores
Seedless Vascular Plants
Divisions or Phyla:
Psilotum – a Wiskfern
Sporangia
Lycopodium - a Club Moss
Strobilus
Equisetum - Horsetails
Strobilus
Fern – Life cycle
Sporophpyte Sori on fronds
Plant Diversity II:The Evolution of
Seed Plants
Adaptations: Seed Plants
Gymnosperms – Divisions or Phyla
Pollen Cone
Male Cones Sporangia
Ovulate Cone
At time of Pollination
Ovulate Cone
Ovulate Cone
Megaspore Mature Cones
Conifer Seeds
Embryo Mature Seed
Other Examples
Cypress Pacific Yew
Importances Cycadophyta:
Landscaping Food
Ginkgo
Tree Fall Color
Ginkgo - Male
Male cones Sperm