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33 Cards in this Set
- Front
- Back
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Where does bacteria live
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everywhere
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Three shapes of bacteria
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coccus, bacillus, spirillum
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What does bacterium lack
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a nucleus
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How does bacteria reproduce
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asexually
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Two types of bacteria
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aerobes or anaerobes
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How are eubacteria grouped
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cell shape, structure, how they obtain food, if they use oxygen, and their waste products
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How does bacteria reproduce
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fission
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What type of cells are bacteria
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prokaryotic cells
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Three things that bateria contain
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dna, ribosomes, and cytoplasms
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One thing that bacteria does not have
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membrane bound nucleus
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Is bacteria a consumer or producer
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consumer
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Can bacteria make it's own food
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some can
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Does anaeroic bacteria need oxygen to live
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no
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Does aerobic bacteria need oxygen to live
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yea
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What are producers eubacteria
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cyanobacteria
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What is an important source of food and oxygen for some aquatic organisms
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cyanobacteria
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What are bacteria that often exist in extreme conditions such as near an ocean
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archaebacteria
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Is bacteria hurtful or helpful
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helpful
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How can bacteria be helpful
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they aid in recycling nutrients, fixing nitrogen, or with food production, and to break down pollutants
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What can help break down pollutants
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bacteria
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What does the good bacteria in our body do
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help us stay healthy and survive
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What does the bad bacteria in our body do
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cause disease
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WHat prevents the grow of harmful bacteria in food
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pasteurization
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An organism that uses oxygen when breaking down food
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aerobe
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An organism that is adapted to live without oxygen
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anaerobe
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A chemical that limits the growth of other bacteria. They are produced by some bacteria
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antibiotics
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An organism that causes disease
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pathogen
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A poisonous substances
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toxins
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A thick walled structure produced by bacteria
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endospores
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A process that produces two new cells . Simplest form of asexual reproduction
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fission
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What changes nitrogen from the air into forms that plants and animals can use
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nitrogen fixing bacteria
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Consumer bacteria that helps maintain natures balance by useing dead organisms as food and energy
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saprophytes
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What prevents some bacterial diseases
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vaccine
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