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Bryophyte,Cryptogams,Gymno
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Transcript of Bryophyte,Cryptogams,Gymno
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
KINGDOM PLANTAE
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
PLANT KINGDOM
• Eukaryotic• Multicellular• Photoautotrophs• Chloro a and b, carotenoids• Cell wall- cellulose• starch
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Kingdom Plantae
•Nonvascular Plants: No water-conducting cells (xylem).1. Division Bryophyta (mosses and liverworts).
•Vascular plants: Xylem tissue, true roots, stems & leaves.
Pteridophytes: Spores but no seeds
2. Division Psilophyta (Psilotum or whisk fern.3. Division Lycophyta (club mosses).4. Division Sphenophyta (horsetails).5. Division Pterophyta (ferns).
Spermatophytes: Seed Plants
•Gymnosperms--Naked Seeds6. Division Cycadophyta (cycads).7. Division Ginkgophyta (maidenhair tree).8. Division Gnetophyta (mormon tea & Welwitschia).9. Division Coniferophyta (conifers).
•Angiosperms--Seeds Enclosed In A Fruit10. Division Anthophyta (flowering plants)
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Non vascular plants
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Division Bryophyta
• lack complex vascular tissue
• No true roots, stem and leaf
• Rhizoids• sperms are flagellated• Sporophyte is
dependent on the gametophyte
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Sporangium or capsule Seta or stalk *foot
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Seedless Vascular Plants
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Seedless Vascular plants
• include ferns, whisk ferns, club mosses, and horsetails
• do not produce seeds• gametophyte and
sporophyte are independent
• true roots, stems, and leaves
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
• Microphyll• Macrophyll• Sporophyll• Sporangia • Homosporous• Heterosporous• strobilus• Micro-• Mega-
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
• Division Psilophyta – Psilotum or whisk fern
• Division Lycophyta– Selaginella, Lycopodium
• Division Sphenophyta – Equisetum or horsetails
• Division Pterophyta (ferns).
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Lycopodium (Club moss)
strobilus
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Selaginella (Spike Moss)
Strobilus?
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Equisetum (Horse Tail)
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Seed Plants
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Seed Plants
• Vascular tissues – X and P• Seeds• Gymnosperms and Angiosperms• Reduced gametophyte
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Gymnosperms
• have naked seeds• Do not have flowers
• A. Division Cycadophyta (cycads).B. Division Ginkgophyta (maidenhair tree).C. Division Gnetophyta D. Division Coniferophyta (conifers).
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Cycas revoluta
Division Cycadophyta
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Division Coniferophyta
• the largest group of gymnosperms• pine, cedar, spruce, fir, and redwood trees• naked seeds produced in cones• Evergreen leaves• needle-like leaves- adapted for dry conditions
• Pinus insularis- Benguet pine• Pinus merkusii- Mindoro pine
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm
Male cone- microstrobilus
Seed cone- megastrobilus
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20102/Bio%20102%20lectures/Seedless%20Plants/seedless%20plants.htm