EXTINCTION + RESISTANT BACTERIA
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Last updated 7:50 PM on 2/15/23
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8 Terms
1
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What is extinction
No individuals of a species are alive
2
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What factors may lead to extinction
* New disease
* Predation
* Competition
* Changes to environment
* Catastrophic events
* Predation
* Competition
* Changes to environment
* Catastrophic events
3
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What enables bacteria to evolve quickly
The fast rate of their reproduction
4
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What is the process of antibiotic resistance bacteria evolving
Mutations occur in bacteria: producing genetic variation
Certain strains are resistant to antibiotics and are not killed when the antibiotic is applied
Resistant strains survive and reproduce
Over time population of strain increases
Certain strains are resistant to antibiotics and are not killed when the antibiotic is applied
Resistant strains survive and reproduce
Over time population of strain increases
5
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Why are resistant strains of bacteria dangerous
People have no immunity to them and there is no effective treatment
6
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What is an example of a resistant strain of bacteria
MRSA
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What can be done to reduce the rate of development of antibiotic resistant bacteria
Refrain from inappropriately prescribing antibiotics
Complete entire prescribed course
Restrict agricultural uses of antibiotics
Complete entire prescribed course
Restrict agricultural uses of antibiotics
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Why is it difficult to keep up with emerging resistance strains
Developing antibiotics have a high cost and take a long time to develop
Note 
Flashcards (27)