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3/11 & 3/12 - 7th Grade Agenda
PaydayCollect HW: Reading & Notetaking p. 163 & 164Video: FungiTextbook Reading 339 – 343HW: Reading & Notetaking 165 & 166 6 Points Extra Credit: Bring a signed grade printout from home due 3/11 & 3/12Reminder: 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.
Bacteria
• Bacteria are prokaryotes.
• The genetic material in their cells is not contained in a nuc______leus
Bacteria
• Is Bacteria Alive?• Yes. It is able to
reproduce by itself.
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
Bacteria are helpful
• Most bacteria are harmless or helpful to people
• Bacteria produces oxy_____, food and med____
• Bacteria also cleans up the environment
genicine
Following food items are made with bacteria
• Apple Ci____• Vineg___• Yog___• Sour Cre____• Chee____• Pick_____• Sourdough Bre____
derar
urtam
sele
ad
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 micro-organisms (including bacteria)
Helpful Bacteria in your stomach
• Bacteria in your stomach help dig_____ your food, make vita_______ and prevent harmful bacteria from attaching to your intestines.
estmins
Some Bacteria are harmfulGonorrhea
• 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 harmfulChlamydia
• 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 as anim___, plants or fun___.
• Most protists are unicellular but some are multicellular
alsgi
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
Plantlike Protists
• Plantlike protists are commonly called algae
• Algae are autotrophs but do not need Car____ Dioxide to produce sug___
bonar
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
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
YeastBlue Cheese
Poisonous Mushrooms
Some Fungus are helpful
• Penicillin is a type of mold that kills bact____eria
Can antibiotics (Penicillin) help with virus infections (Colds &
Flu)?• No
Can antibiotics (Penicillin) help with bacteria infections (Sinus
Infections & Strep Throat)?• Yes
What is Yeast?
• Is a yeast a bacteria, protist or fungus?
• Fungus
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