Charophytes and Bryophytes Fall 2011

Charophytes and Bryophytes Fall 2011 - Land Plants...

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Unformatted text preview: Land Plants Photosynthetic autotrophs (with a few exceptions!) Evolved from green algae Fig. 26-21c Fungi EUKARYA Trypanosomes Green algae Land plants Red algae Forams Ciliates Dinoflagellates Diatoms Animals Amoebas Cellular slime molds Leishmania Euglena Archaeplastida Fig. 29-4 ANCESTRAL ALGA Red algae Chlorophytes Charophytes Embryophytes Viridiplantae Streptophyta Plantae Charophytes-sister taxon to land plants http://plants.ifas.ufl.edu/images/chaspe/chara2.jpg http://www.bio.miami.edu/dana/pix/chara1.jpg Fig. 29-3 40 m 5 mm Chara species, a pond organism Coleochaete orbicularis, a disk-shaped charophyte that also lives in ponds (LM ) Fig. 29-2 30 nm Cellulose-synthesizing complexes in plasma membrane http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Plant_sperm.png/220px-Plant_sperm.png Flagellated sperm of bryophytes and seedless vascular plants Chara sperm similar to liverwort Fig. 12-10e Telophase 5 Cell plate 10 m Chara reproductive structures Author;Keisotyo Commons.wikimedia.org/wiki/File:Chara sp repro oogonium antheridium Chara in pond, Alabaster Caverns State Park Benefits and Challenges of life on land? Fig. 29-5a Gametophyte ( n ) Gamete from another plant n n Mitosis Gamete FERTILIZATION MEIOSIS Mitosis Spore n n 2 n Zygote Mitosis Sporophyte (2 n) Alternation of generations Fig. 29-5b Embryo Maternal tissue Wall ingrowths Placental transfer cell (outlined in blue) Embryo (LM) and placental transfer cell (TEM) of Marchantia (a liverwort) 2 m 10 m Fig. 29-5cFig....
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This note was uploaded on 02/04/2012 for the course BIO 1225 taught by Professor Caddell during the Fall '11 term at University of Central Oklahoma.

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Charophytes and Bryophytes Fall 2011 - Land Plants...

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