seedless -...
TRANSCRIPT
Seedless Plants
• Alternation of Generations• Walled spores produced in sporangia• Multicellular gamete-producing organs (gametangia)• Apical meristems
Synapomorphies
Seedless Plants
Alternation of Generations
Seedless Plants
• Produced in sporangiaWalled Spores
Seedless Plants
• Gametangia• Archegonia - female• Antheridia - male
Multicellular Gamete-Producing Organs
Seedless Plants
Apical meristems
Apical meristem of root
Seedless Plants
Seedless Plants A Step-by-Step Look at Alternation of Generations
AlgaeAlternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
Alternation of Generations
• Hepatophyta (Marchantiophyta*)
• Bryophyta
• Anthocerophyta
Seedless Plants Phyla (now called Divisions)
• Pteridophyta (Polypodiopsida*)
• Lycophyta (Lycopodiopsida*)
Tracheophyta*
*New term used in lab and/or on lab handout.
Seedless Plants
• Hepatophyta (Marchantiophyta*)
Phyla (now called Division)
*New term used in lab and/or on lab handout.
• Bryophyta
Seedless Plants Phyla (now called Division)
• Anthocerophyta
Seedless Plants Phyla (now called Division)
Note: We did not see any living organisms from this group during lab.
• Pteridophyta*
Seedless Plants
• True ferns*
Phyla (now called Division)
*See under Tracheophyta on lab handout.
• Pteridophyta*
Seedless Plants
• Horsetails*
Phyla (now called Division)
*See under Tracheophyta on lab handout.
• Pteridophyta*
Seedless Plants
• Wisk ferns*
Phyla (now called Division)
*See under Tracheophyta on lab handout.
• Lycophyta*
Seedless Plants
*See Lycopodiopsida under Tracheophyta on lab handout.
Phyla (now called Division)