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Description : Ppt Presentation on Fungi which is created by Tbarger and available for free download Fungi powerpoi... Read More

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Published on : Aug 18, 2018
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Slide 4 - Fungal Characteristics        1)Cell wall made of Chitin     2)Heterotrophs and major Decomposers      3)Body is made of Long filaments of hyphae which form a mycelium         4)Reproduce sexually and asexually Asexually by spores Sexually by mating of hyphae filaments
Slide 5 - An example of Fungi You know
Slide 6 - Mushrooms – “Club Like” Fungi or Basidiomycete Fungi
Slide 7 - Bracket Fungi – Basidiomycete Fungi
Slide 8 - Bread Mold – a Zygomycete Fungi
Slide 9 - Cup Fungi – Ascomycete Fungi Note the cup shapes and orange peel colour
Slide 10 - Kingdom Fungi – you must know 5 Major Phyla Phylum Zygomycota = the Bread Molds Rhizopus – black bread mold Oomycota = the Water Molds Water mold, potato blight, mildew Phylum Ascomycota = the Sac Fungi Yeast, morels, truffles Phylum Basidiomycota = the Club Fungi Mushrooms, puffballs, bracket fungi, rusts, smuts, toadstools Phylum Deuteromycota = the Fungi Imperfecti
Slide 11 - -are primarily decomposers -asexual spores may be produced in sporangia -sexual reproduction occurs between + and – strains forming a 2n zygote; a zygospore develops and may lie dormant for a long period of time; meiosis occurs just before germination -only the zygote is diploid; all hyphae and asexual spores are haploid Zygomycota (Rhizopus) the Common Molds
Slide 12 - Zygomycota – common molds The fungal mass of hyphae, known as the MYCELIUM penetrates the bread and produces the fruiting bodies on top of the stalks Mycelia = a mass of hyphae or filaments
Slide 13 - Rhizoids = root-like hyphae The zhizoids meet underground and mating occurs between hyphae of different molds (SEXUAL REPRODUCTION)
Slide 14 - Zygomycota (Rhizopus)
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Slide 16 - Lifecycle of a Zygomycete Fungi – Asexual then Sexual
Slide 17 - Ascomycota – Cup Fungi Life Cycle
Slide 18 - Yeast is an Ascomycete Fungus
Slide 19 - Truffles are round, warty, fungi that are irregular in shape. They vary from the size of a walnut to that of a man's fist. Since the times of the Greeks and Romans these fungi have been used in Europe as delicacies, as aphrodisiacs, and as medicines. They are among the most expensive of the world's natural foods, often commanding as much as $250 to $450 per pound. Truffles are harvested in Europe with the aid of female pigs or truffle dogs, which are able to detect the strong smell of mature truffles underneath the surface of the ground. The female pig becomes excited when she sniffs a chemical that is similar to the male swine sex attractant. The use of dogs to find truffles is also and option.
Slide 20 - Morels are Ascomycete Fungi
Slide 21 - Basidiomycete or Club Fungi
Slide 22 - Life Cycle of Basidiomycete Fungi
Slide 23 - Bracket Fungi Puff Balls Mushrooms Jelly Fungi Basidiomycete Fungi that all produce Basiospores
Slide 24 - Other Basidiomycetes Rusts and Smuts Rust infecting wheat leaves Rust infecting a Leaf Whitrot Smut digesting old wood
Slide 25 - -Regarded as imperfect because they exhibit no sexual stage has been observed in their life cycle -Members are not closely related and are not necessarily similar in structure or appearance; do not share a common ancestry, polyphyletic = coming from many ancestors – hmm weird  Deuteromycota (Imperfect Fungi)
Slide 26 - Deuteromycota – the Fungi Imperfecti Resemble Ascomycetes, but their reproductive cycle has never been observed Different from Ascomycetes because there is a definite lack of sexual reproduction, which is why they are called Imperfect Fungi Penicillium fungi Up Close
Slide 27 - Water Molds -- Oomycota The water molds are better known as the MILDEWS. Fish tank fuzz is an example. Protist-like mold because share common characteristics with plant-like protists, such as the cell wall
Slide 28 - LifeCycle of Oomycota
Slide 29 - Things to Know about Oomycete Fungi Water molds or mildews Cause diseases such as potato blight Cell walls made of cellulose (like plant) Hyphae have multiple nuclei! Because the cell walls do not fully close off. Spore swims away like a flagellate, which is why it is protist like (think of Euglena)
Slide 30 - Irish Potato Famine of 19th Century Devastated potato crops, causing devastating starvation in Ireland 
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Slide 34 - Cross Walls of Hyphae Coenocytic hyphae where the nucleis of each cell is embedded in the cytoplasm without a cell wall Eg. Zygomycota, Oomycota Hyphae with cross walls Eg. Basidiomycota, Ascomycota
Slide 35 - Lichens are mutualistic symbiotic organisms. They have an ____________ fungus and a _________ or cyanobacterial portion. There are three lichen growth forms which are predominant in nature: _____________________ _____________________________ Lichens
Slide 36 - Crustose Foliose Fruticose
Slide 37 - Mycorrhizae Mycorrhizae means “fungus-root”; mutualistic relationship between plant and fungi The plant photosynthesizes while the fungus more efficiently takes up nutrients and water from the rhizosphere than the roots would alone. Plant benefits include: Improved nutrient/water uptake Improved root growth Improved plant growth and yield Improved disease resistance Reduced transplant shock Reduced drought stress
Slide 38 - Soredia are the asexual reproductive part of lichens, containing both symbionts. Rhizines may be present to anchor the lichen. Notice the distinctive algal layer and the fungal layer present in the above illustration.
Slide 39 - This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.