Bacteria PPT.notebook
September 23, 2015
Bacteria
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Bacteria PPT.notebook
September 23, 2015
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Bacteria PPT.notebook
September 23, 2015
What Are They?
• Single celled organisms
• Much simpler than plant or animal cells
• (Few ORGANELLES)
• Found everywhere; multiply very fast!
• Belong to the MONERAN kingdom.
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Bacteria PPT.notebook
September 23, 2015
Bacteria are classified by their shapes.
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Bacteria PPT.notebook
September 23, 2015
COCCUS
• Coccus­ Spherical, does not dry out as easily
• Examples = Streptococcus, Staphylococcus
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Bacteria PPT.notebook
September 23, 2015
SPIRILLA
• Spirilla­ Long Spiral Shaped, least common, move easily in a corkscrew motion, flagella at both ends
• Examples: Leptospira interrogans,
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Bacteria PPT.notebook
September 23, 2015
BACILLUS
Bacillus – Rod­shaped; have a large surface area, which help absorb nutrients, but can dry out easy
Examples: Escherichia coli
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Bacteria PPT.notebook
September 23, 2015
Bacteria, The Good, the Bad, and.....Wait! The Good!
You will be assigned an article on bacteria. Read and reflect by following the outline in your packet. 8
Bacteria PPT.notebook
September 23, 2015
Bacteria, The Good, the Bad, and.....Wait! The Good!
Good
Bad
Good for environment: Cause sickness: Good for your health:
Cause food poisoning: 9
Bacteria PPT.notebook
September 23, 2015
Bacteria Articles: Are they good or bad?
GOOD BAD
___________________________________
*Good for the Environment *Causes Sickness
1.) Create Hydrogen fuel from waste 2.) E coli makes you sick if it gets into blood
water (cleans water also). stream.
5.) Plastic­eating bacteris helps keep 3.) Causes staph infections that can lead to
the North Atlantic Ocean clean. many different kinds of illnesses.
8.) Bacilla­Filla glues concrete walls, 6.) 5 second rule=it gets germs as soon as it
which acts down on carbon emissions. hits the floor. Dirtier the area, better chance
of picking up harmful bacteria/sickness.
7.) Bacteria exist on all smart phone surfaces,
but most are harmless.
9.) Showers mist water that can get harmful deep in your lungs. Better to take baths.
*Good for you Health *Causes food poisoning
2.) E coli helps process food 2.) E coli can contaminate foods like raw in your intestines/gut. meat and spoiled food.
4.) Probiotics promotes a healthy gut,
and helps you fight off sickness.
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Bacteria PPT.notebook
September 23, 2015
Bacteria and You
• Some are good:
> Bacteria in your stomach help digest
> Bacteria in yogurt
> Bacteria in roots help get Nitrogen for plants
• Some are bad:
> Bacteria that cause disease
> Bacteria that cause food to spoil
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Bacteria PPT.notebook
September 23, 2015
Read the articles provided for you. Follow the outline in the packet to complete Performance Task #2. 12
Bacteria PPT.notebook
September 23, 2015
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