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3/11 & 3/12 - 7 th Grade Agenda Payday Collect HW: Reading & Notetaking p. 163 & 164 Video: Fungi Textbook Reading 339 – 343 HW: Reading & Notetaking 165 & 166 6 Points Extra Credit: Bring a signed grade printout from home due 3/11 & 3/12 Reminder: Signed Grade Print out by 3/16 & 3/17 (3 Points) Last day to take back your boards is on 3/12. Any boards not taken back will be recycled.
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Bacteria Bacteria are prokaryotes. The genetic material in their cells is not contained in a nuc______ leus
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Bacteria Is Bacteria Alive? Yes. It is able to reproduce by itself.
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Parts of a Bacteria
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Endospore Formation An endospore is a small, rounded, thick walled, resting cell that forms ins____ a bacteria With an endospore, bacteria can resist freez____, hea____ and drying ide ing ting
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Bacteria are helpful Most bacteria are harmless or helpful to people Bacteria produces oxy_____, food and med____ Bacteria also cleans up the environment gen icine
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Following food items are made with bacteria Apple Ci____ Vineg___ Yog___ Sour Cre____ Chee____ Pick_____ Sourdough Bre____ der ar urt am se le ad
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What does “Culture” in food labels mean? The food was made with bacteria
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What does “Live, Active Cultures” in food labels mean? The food was made with bacteria And the bacteria are still alive
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What does “Pasteurized” in food labels mean? The food has been heated at high temperature to kill most of the disease causing micro- organisms (including bacteria)
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Helpful Bacteria in your stomach Bacteria in your stomach help dig_____ your food, make vita_______ and prevent harmful bacteria from attaching to your intestines. est mins
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Some Bacteria are harmful Gonorrhea Gonorrhea is caused by a bacteria Infection through sexual activity Symptom: Pain around the genitals & yellow discharge from the genitals Treatment: Antibiotics (Penicillin)
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Some Bacteria are harmful Chlamydia caused by a bacteria Infection through sexual activity Can lead to blindness if untreated Symptom: Pain around the genitals & pain while urinating Treatment: Antibiotics (Penicillin)
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Protist Protists are eukaryotes that cannot be classified as anim___, plants or fun___. Most protists are unicellular but some are multicellular als gi
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Animal like Protists Animal like protist are heterotr_____ and most are able to move from place to place to obtain food Animal like protist are unicell_____ ophs ular
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Plantlike Protists Plantlike protists are commonly called algae Algae are autotrophs but do not need Car____ Dioxide to produce sug___ bon ar
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Fungus like protists Fungus like protist are heterotr____, have cell walls, and use spores to reporduce Slime molds, water molds and downy mildews are examples of fungus like protists ophs
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Fungus Fungi (Pronounced Fun Guy) are eukaryotes that have cell walls, are heterotrophs that feed by absorbing their food and use spores to reproduce Mold Mushroom Yeast Blue Cheese
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Parts of the Mushroom
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Poisonous Mushrooms
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Some Fungus are helpful Penicillin is a type of mold that kills bact____ eria
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Can antibiotics (Penicillin) help with virus infections (Colds & Flu)? No
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Can antibiotics (Penicillin) help with bacteria infections (Sinus Infections & Strep Throat)? Yes
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What is Yeast? Is a yeast a bacteria, protist or fungus? Fungus
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