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Fungi Look at the list of fungus on page 7. How is fungus important to humans in a positive and negative way?
http://www.youtube.com/watch?v=bq1bTduTzC0&feature=related Symbiosis http://www.youtube.com/watch?v=yXPQ-NRH6-Y • mycorrhizae - a type of fungus that cover the surface of root or are inside the roots. • act as extensions of the plants’ roots & increase water and essential nutrients • In exchange, the plants provide the fungi energy in the form of carbohydrates. (Fungal Growth and Reproduction 2012)
http://herbarium.usu.edu/fungi/funfacts/factindx.htm (cool site with games) Fungus • Eukaryotes • Decomposers • The oldest fossil fungi ~545 million years old from northern Russia. • 8500 spp. & 65 are luminescence. http://www.virtualmuseum.ca/Exhibitions/Mushroom/English/Funky/facts.html http://www.uoguelph.ca/~gbarron/MISCELLANEOUS/facts.htm http://www.youtube.com/watch?v=H6Fnt-wq_jg (intro)
Fungus anatomy Most of a fungal organism exists below ground Hyphae – individual mycelium
Supper time! • absorb nutrients from living or dead organic matter they grow on. • release enzymes to break down nutrients into simpler forms that they can absorb through their cell walls. http://vimeo.com/28483128
Fungi Asexual Reproduction: budding • Mostly occurs in yeast • a new organism grows out of another • One single yeast cell can produce up to 24 other cells (Fungal Growth and Reproduction 2012) http://www.youtube.com/watch?v=BTHYaf-EuYs&feature=related
Fungal Sexual Reproduction: Spores • cells from 2 different hyphae fuse together • Form a spore stalk. • Spores are released http://www.youtube.com/watch?v=KbNRlVoxri4
resource • "Fungal Growth and Reproduction." Microbe World. American Society for Microbiology, 2012. Web. 24 Oct. 2013. <http://www.microbeworld.org/types-of-microbes/fungi/fungal-growth-and-reproduction>.