Chapter 29Plant Diversity I:

The Colonization of Land

Question ?

What are the characteristics of Plants?

Kingdom Plantae

Additional Characteristics

Cuticle

Problem

Solution - Stomata

Secondary Products

Plant Life Cycle

Spores

Gametophyte

Antheridia

Sterile cells

Sperm

Archegonia

Sterile Cells

Egg

Plant Taxonomy

Plants: Evolutionary Trends

Evolution of Plants

Evolutionary Advancement in Plants

Movement from water to land

Nonvascular Land Plants

Divisions or Phyla:

Characteristics

Moss Leaf

Bryophytes

Bryophytes

Life History

Gametophyte

Gametophyte

Antheridia Archegonia

Sporophyte

Sporophyte

Sporangium Spores

Seedless Vascular Plants

Divisions or Phyla:

Characteristics

Characteristics

Life History

Spore Types

Psilotum – a Wiskfern

Sporangia

Lycopodium - a Club Moss

Strobilus

Equisetum - Horsetails

Strobilus

True Ferns

Ferns

Fern – Life cycle

Sporophpyte Sori on fronds

Plant Diversity II:The Evolution of

Seed Plants

Seed Plants

Adaptations: Seed Plants

Gymnosperms – Divisions or Phyla

Characteristics

Life Cycle

Conifers

Pollen Cone

Male Cones Sporangia

Pollination

Ovulate Cone

At time of Pollination

Ovulate Cone

Ovulate Cone

Megaspore Mature Cones

Fertilization

Conifer Seeds

Embryo Mature Seed

Other Examples

Cypress Pacific Yew

Importances Cycadophyta:

Landscaping Food

Ginkgo

Tree Fall Color

Ginkgo - Male

Male cones Sperm

Angiosperms

Characteristics

Characteristics

Life History