Funghi

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by 16sdemarco
Last updated 7 years ago

Discipline:
Science
Subject:
Biology

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Funghi

mushrooms, yeasts, molds, rusts, smuts, puffballs, truffles, morels

FUNGIA mushroom walks into a resturaunt and asks the waiter for a drink. The waiter says, "No, you are a mushroom." And he says, "Hey, I'm a fun guy! (fungi)

Mycelium is when the hyphae banch as they grow, and they form an interwoven mat that acts as a feeding structure. This structure maximises contact with the food source, and grows rapidly. For a fungus to absorb small organic molecules from its surroundings it uses absorptive nutrition.

Why did the fungi leave the party?Because there wasn't mushroom!

Diet/feeding/digestionSaprophytic- The fungi obtain their nutrients from already decaying organic matter, absorbing dissolved organic materialHeterotrophic- fungi get the organic material they need from external sourcesExternal digestion-The fungi digests its food outside the mycelium by secreating powerful enzymes into its surroundings. This enzyme then breaks down the complex molecules in the environment into smaller molecules that the mycelium can then absorb. Food sources- fallen logs, dead animals, waste of organisms

Fungi are bodies made of structures called hypahe which are tiny threads of cytoplasm surrounded by a plasma membrane and covered by a cell wall. Fungi build cell walls out of chitin, which is a strong flexible polysaccharide

Campbell, Neil A., Brad Williamson, and Robin J. Heyden. Exploring Life. Boston, Massachusetts: Prentice Hall, 2006. Print.Fisher, Vern. LIFE FUNGUSHUNT 3 MN. Knight-Ridder/Tribune News Service. 15 Jan. 2007. eLibrary. Web. 08 Apr. 2015.Fungi in the woods . . .. Torstar Syndication. 02 Nov. 2002. eLibrary. Web. 08 Apr. 2015.Ennis, Ron T. US NEWS ENV-PRESERVE 2 FT. Knight-Ridder/Tribune News Service. 19 Jul. 2007. eLibrary. Web. 08 Apr. 2015.La Montana, Gimnasio. "Mycelium: The body of hyphae that are found in the cell." Biology For Kids. Google Sites, n.d. Web. 9 Apr. 2015. . LYCOPERDON PYRIFORME (2 Of 3). LifeStory Publications. 01 Apr. 2000. eLibrary. Web. 08 Apr. 2015.

Lichen- mutualistic pairing of fungus and algaeMycorrhizae- symbiotic relationships between fungal hyphae and plant roots

Reproduction- the fungi releases large numbers of spores, which are haploid single cells with thick cell walls, that function as the dispersal stage in reproduction. The spores are spread by the wind, they germinate and grow into new fungi. Some spores reproduce asexually by mitosis, other reproduce sexually.

Sac Fungi-live in freshwater, marine, terrestrial areassize- single cell to large romelsspecialized reproductive "sac"sac- ascus- contains the spore cells for reproductionUsually reproduce asexually with suitable conditions- produces immense amounts of sporesThe asexual spores are long chains at the ends of some hyphaeIn harsh conditions reproduce sexuallySexual reproduction- two mycelia join which produces dykaryotic hyphae- each cell has two different nuclei that are different from the parentsThese hyphae grow into fruiting body- abovegroud reproductive structure that is very largeAscus then is created at the tips in the fruiting bodyIn these ascus the dikaryotic nuclei fuse to create a diploid nucleus

Yeasts- single celled fungi that congregate in moist places and habitats ex. tree sap, animal tissueImportance-Fungi can be dangerous, some can cause diseasesSome are agricultural pestsSome cause ringworm and infections in lungsAthletes footThere are edible mushroomsex. trufflesCheeses use fungi to ripen them

Zygote Fungi- terrestrial, live in soil or on decaying plants and animalstheir hyphae spread out to absorb nutrientssporangia- the fungi reproduces asexually at the spore forming structures at the ends of the hyphaeWhen depleted food supply, it reproduces sexuallyReproduce sexually as the mycelia of two different zygote fungi come together and form zygosporangium, thick walled reproductive structureinside of this, the nuclei fuse and form diploid nucleiWhen conditions are favorable, meiosis occurs for the diploid nuclei and it produces haploid spores that grow into new hypae

By Sophia DeMarco

Club FungiClub shaped, basidium- spore producing structureThey break down wood and other materialsSpores form by sexual reproductionSpores are dropped by "gills" underneath the mushroomAminals or wind transfer themWhen favorable environment is formed they will germinate, and begin process again

Characteristics-EukaryoticReproduce by spores (asexually or sexuallySimilar cell wall structure to plants, but composed of chitinDigest food, then ingestStore food as starchTypes: mushrooms, yeasts, molds, rusts, smuts, puffballs, truffles, morels


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