Lab 12 - Biodiversity and tree of life

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8 Terms

1
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Refers to the variety of species found on earth, or in a biosphere/habitat

Definition of biodiversity

2
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  1. Wildlife support healthy ecosystem, which humans rely on

  2. Intact biodiverse ecosystems help keep humans healthy

Two reason why maintaing high levels of biodiversity is so important

3
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  1. Biodiversity is good for economy

  2. Medicine comes from rare plants

Two ways preserving biodiversity has directly benefited humans

4
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Used to distinguish between gram + and gram - bacteria, dye interacts with cell wall

What is a gram stain?

5
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  1. cocci (spherical)

  2. bacillus (rod-like)

  3. spirochetes (corkscrew)

COmmon shapes of bacteria

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H. pylori, belongs to proteobacteria

Causes human stomach ulcers and belongs to what subgroup?

7
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Chalmydia trachomatis

Can cause blindness, sexually transmitted disease, STD

8
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  1. lyme disease - borrelia burgdorferi

  2. STD syphilis - Treponema pallidum