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Fungi Mr. Skirbst Life Science Topic 12
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Fungi
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Kingdom Fungi Fungus – a plantlike organism lacking chlorophyll
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Kingdom Fungi Fungus – a plantlike organism lacking chlorophyll - They are heterotrophic
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3 Characteristics 1.Feeding 2.Structure 3.Reproduction
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Feeding - All are heterotrophs
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Feeding - All are heterotrophs - They grow on food & absorb it
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Feeding - All are heterotrophs - They grow on food & absorb it - Some capture prey
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Feeding - All are heterotrophs - They grow on food & absorb it - Some capture prey - Most are decomposers (break down organic material)
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Feeding - Some live symbiotically
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Feeding - Some live symbiotically (symbiosis – a close relationship)
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Feeding - Some live symbiotically (symbiosis – a close relationship) 2 kinds: 1- parasitism – one benefits
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Feeding - Some live symbiotically (symbiosis – a close relationship) 2 kinds: 1- parasitism – one benefits 2- mutualism – both benefit
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Structure
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- Some are unicellular (one cell)
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Structure - Some are unicellular (one cell) - Some are multicellular (many)
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Structure - Some are unicellular (one cell) - Some are multicellular (many) - Multicellular fungi are made of hyphae (threadlike tubes)
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Structure - Some are unicellular (one cell) - Some are multicellular (many) - Multicellular fungi are made of hyphae (threadlike tubes) (cells have many nuclei and can grow very quickly - 40m/hr)
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Reproduction - By budding (unicellular fungus, like yeast)
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Reproduction - By spores (multicellular fungus, like mushrooms)
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3 Forms of Fungi 1.Mold
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3 Forms of Fungi 1.Mold “fuzzy” fungi often grows on old food
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3 Forms of Fungi 2.Mushrooms
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3 Forms of Fungi 2.Mushrooms - multicellular - grows a reproductive structure
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Mushroom structures
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3 Forms of Fungi 3.Yeast
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3 Forms of Fungi 3.Yeast - unicellular - undergo anaerobic respiration - used in baking (release CO 2 makes bread rise)
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