Plant Evolution . Plants. Origins over 700 MYA 10 Divisions 4 Basic lifecycles Green algae that evolved onto land Evolved for more independence from water Then coevolved with pollinators, dispersal Major events: Living on land, spores Vascular tissues Seeds Flowers & Fruits.By dusty
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FERN. Frond. Fiddleheads. Rhizosome. Roots. Classification: seedless, vascular plant Habitat: moist, shady forests, rock crevices, acidic wetlands (bogs, swamps) and on tropical trees. Cell Structure: multicellular; eukaryotes; have cell walls and chloroplasts in cells Symmetry: n/a
II. Fern. Moss covered forest in New Zealand Wow check this out! http://video.google.com/videoplay?docid=8558307171261435083. Monophyletic Multicellular eukaryotic Photosynthetic autotrophs Cell walls=cellulose Gametangium = embryophyte .
C. fern. AP Biology. Ferns. Alternation of Generations. C. Fern sporophyte. Aseptic Technique. ASEPTIC TECHNIQUE Wipe the laboratory desk counter with Clorox solution( 10% bleach) using paper towels.
FERN GULLY. What is happening to Fern Gully? Why is this occurring? Who is causing the habitat to come under threat? What destructive tools are being used to do this? What actions are being done to prevent this? Which Global Organisation works to prevent this destruction?
Rupture of membranes:. 1- Patient history2- Vaginal fluid with PH of 7.0 or greater3- Positive fern test . Fern test is based on : . The ability of amniotic fluid to form a fern pattern when air-dried on a glass slide . False positive
Sword Fern. Nephrolepis cordifolia (L.) Dryopteridaceae. Biology. True fern Reproduces via spores Year round in south Florida Grows in woodland areas Possibly introduced as an ornamental. Distribution & Impacts. Found in 23 counties from the Gainesville (Alachua county) area south
Climbing fern. Bird’s net fern. Fern frond. Fern fiddlehead. Frond with sori. Frond with sori. Sori closed up. A Fern Tree. xylem. phloem. Cross section of the stem of a typical fern. Sorus cross section. spores. Cell with thickened cell wall on it’s 3 sides.
Vascular plants: FERN and FERN ALLIES. Tracheophytes : The Vascular Plants. xylem (for transporting water and mineral nutrients) phloem (for transporting sugars from leaves to the rest of the plant) larger and more complex sporophyte is more prominent
Reinforcement Learning Active Learning. Alan Fern . * Based in part on slides by Daniel Weld. Active Reinforcement Learning. So far, we’ve assumed agent has a policy We just learned how good it is Now, suppose agent must learn a good policy (ideally optimal)