1. Plants…an Overview!

2. Importance of Plants:
Agriculture Prevention of Soil Erosion Medicines Mental Health Clothing & Dyes Climate Control Fuels Tourism Decoration & Privacy Hobby

3. Classifying Plants:
-Aquatic or Terrestrial -Prevention of Water Loss -Spores or Seeds -Vascular or Nonvascular

4. Nonvascular Plants:
-mostly terrestrial -produce spores -need water to reproduce -very small plants Phyla: Bryophyta…mosses Hepatophyta…liverworts Anthocerophyta…hornworts

5. Vascular Seedless Plants:
-have xylem and phloem -spores -can grow larger than nonvascular plants Phyla: Psilophyta…whisk ferns Lycophyta…club mosses Sphenophyta…horsetails Pteridophyta…ferns

6. Vascular Seed Plants: Phyla: Cycadophyta…Cycads (gymnosperm)
-Gymnosperm Angiosperm
-have xylem and phloem
-seeds (unprotected vs. protected)
-nonflowering & flowering
-can grow larger
than nonvascular plants
Phyla:
Cycadophyta…Cycads (gymnosperm)
Ginkgophyta…Gingkoes (gymnosperm)
Coniferophyta…Conifers (gymnosperm)
Gnetophyta…Cone-bearing, odd (gymnosperm)
Anthophyta…Flowering (angiosperm)

7. Major Plant Structures:
1. Roots -Tap -Fibrous -Adventitious -Root Hairs

8. 2. Stems -woody -herbaceous -stolons -tubers -fleshy

9. 3. Leaves -guard cells -stomata

10. 4. Flowers -pollination -fertilization -seeds and fruits