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.

Parts of a Bacteria

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

Parts of the Mushroom

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