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4/12 & 4/13 - 7th Grade Agenda Learning Objective: Discuss about how much money you already owe. Collect HW: Reading & Notetaking p. 161 – 164 Video: Bacteria Textbook Reading 334 – 343 HW: Reading & Notetaking 165 166 Reflection • Prompt: Write 3 differences between virus & bacteria. How much do you owe? • • • • US Government Debt City & State Debt Future Medicare & Social Security Debt About $182,000 per person including you (www.usdebtclock.org) Where is the money being spent? • • • • • 24% Defense 24% Health Care 23% Pension 11% Welfare 7% Interest Who do we owe the money to? • • • • • China Japan Great Britain Middle Eastern Countries Banks What will happen if the US starts printing money • In 1923 Germany, a loaf of bread costed 2,000,000,000 X more in one year. What are they going to do if we don’t pay it back? • ???? Bacteria • Bacteria are prokaryotes. • The genetic material in their cells is not contained in a leus nuc______ Bacteria • Is Bacteria Alive? • Yes. It is able to reproduce by itself. Parts of a Bacteria Endospore Formation • An endospore is a small , rounded, thick walled, resting cell that forms ins____ ide a bacteria • With an endospore, bacteria can resist freez____, ting ing hea____ and drying Bacteria are helpful • Most bacteria are harmless or helpful to people • Bacteria produces gen oxy_____, food and icine med____ • Bacteria also cleans up the environment Following food items are made with bacteria • • • • • • • der Apple Ci____ ar Vineg___ Yog___ urt am Sour Cre____ se Chee____ Pick_____ le ad Sourdough Bre____ What does “Culture” in food labels mean? • The food was made with bacteria What does “Live, Active Cultures” in food labels mean? • The food was made with bacteria • And the bacteria are still alive What does “Pasteurized” in food labels mean? • The food has been heated at high temperature to kill most of the disease causing microorganisms (including bacteria) Helpful Bacteria in your stomach • Bacteria in your stomach est your food, help dig_____ mins and make vita_______ prevent harmful bacteria from attaching to your intestines. 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) 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) Protist • Protists are eukaryotes that cannot be classified als plants or as anim___, gi fun___. • Most protists are unicellular but some are multicellular Animal like Protists • Animal like protist are ophs and heterotr_____ most are able to move from place to place to obtain food • Animal like protist are ular unicell_____ Animal like Protist (Parameciaum) • How is it like an animal? • How is it NOT like an animal? Plantlike Protists • Plantlike protists are commonly called algae trophs • Algae are auto_____ ar can produce sug___ using photosynthesis Why is Algae not a plant? Brown Algae • Algae is not a nt because pla___ they don’t have the leaf, stem ot and ro____ structure of plants. Plant Red Algae is used in Sushi • Red Algae is used to make ice eam cr_____, hair itioner cond_______ and hi sus____ Fungus like protists • Fungus like protist are ophs have heterotr____, cell walls, and use spores to reproduce • Slime molds, water molds and downy mildews are examples of fungus like protists