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Microbiology (Bacteria, Virus, and Archaea)

Microbiology (Bacteria, Virus, and Archaea). By: Ms. Avery 8 th grade Science. Introduction Questions (answer on page 63 of Spiral NB). Brainstorm everything that comes to mind about viruses and bacteria, then put it in a T chart as shown on the board

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Microbiology (Bacteria, Virus, and Archaea)

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  1. Microbiology(Bacteria, Virus, and Archaea) By: Ms. Avery 8th grade Science

  2. Introduction Questions(answer on page 63 of Spiral NB) • Brainstorm everything that comes to mind about viruses and bacteria, then put it in a T chart as shown on the board • What are all the ways you think bacteria effects humans? • What are all the ways you think viruses effect humans?

  3. Kingdom Phylum Class Order Family Genus Species 6 Kingdoms: Bacteria Archaea Protista Fungi Plantae Animalia Classification of Living Things

  4. All living organisms: • Grow • Respond to environment • Reproduce • Have organization (cell parts and functions) ****Have the ability to DIE

  5. Producer- in the ocean and makes O2 (ex. Cyanobacteria) Decomposer- ex. Breakdown sewage to make cleaner water Commensalists- help the org. they are living on (ex. Bacteria in plants convert nitrogen) Parasites- harm host (ex. Cause disease or infection) **3 shapes of bacteria: rod, sphere, spiral Bacteria

  6. Bacteria

  7. Archaea • Methanogens (meth-an-oh-jins) produce methane gas as a waste product of their digestion (some live in cows stomachs) • Halophiles (hal-oh-files) live in salty environments. • Thermophiles (ther-mo-files) live at extremely hot temperatures. • Psychrophiles (sigh-crow-files) live at unusually cold temperatures.

  8. Viruses • Viruses are not living things • Need a living host cell to copy DNA • Virus Production Cycle: • Attachment- attach to outside • Injection- inject DNA • Production- host cell copies virus DNA • Assembly- viral DNA forces host cell to make new viruses • Release- host cell releases new viruses ** some viruses stay inside the host cell to use it like a virus baby factory **other viruses destroy host cell

  9. Closing questions(answer on p. 68 of Spiral NB) • Compare and Contrast Bacteria and Viruses (at least 2 similarities and at least 3 differences) • How are Archaea and Bacteria similar? • Why do you think they put Archaea and Bacteria into 2 separate kingdoms instead of keeping them the same? • How will you study the information you have learned today? • What topics do you need more discussion on? • Do you think commercials are misleading about killing viruses? • Why do you think the commercials advertise this way?

  10. References • www.microbeworld.org • Google pics • McDougal Littell 8th grade Science book

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