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23 Cards in this Set
- Front
- Back
What is pneumonia?
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infectious inflammation of the lungs, fluid in the alveoli
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What is mycoplasma?
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Smallest group of bacteria that live freely in animals and humans; cause diseases and pneumonia
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What are aveoli?
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Small specialized air compartments in the lung
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What is evolution?
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a GENETIC change
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What is Progress?
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change over TIME
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What is natural selection?
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Weak organisms die while strong organisms survive and duplicate
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What is an antibiotic?
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a chemical substance derivable from a mold or bacterium that kills microorganisms and cures infections
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What are the units in the biological world?
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The Metric sys.
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What is the lower size limit of the biological world?
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.5mm and .209nm (virus)
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What is the size limit of the free living cells?
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.5 - 2mm (bacteria) and 10 - 50 mm (amoebas/paramecium)
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What is the lower sixe limit of multicellular organisms?
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100 mm (.1Mm)
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What is the upper size limit of living organisms?
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100 meters 200 tons
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What are the characteristics of a prokaryotic cell?
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Lacks a nucleus and organelles
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What are the characteristics of a eukaryotic cell?
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Contains membrane bound nucleus and organelles
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What is the lower limit in the dimension of the physical world?
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10^-16
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What is the upper limit in the dimension of the physical world?
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10^25
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Aveolus
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In lungs where gas exchange occurs. Oxygen diffuses from air in the lungs to the blood, carbon dioxide diffuses from blood to the lungs.
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Bacteria
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consists of unicellular prokaryotes
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What kingdoms are Eukaryotic cells found?
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Protista, Fungi, Plantae, and Animalia
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What kingdom are Prokaryotic cells found?
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Monera (bacterial cell)
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Why do cells have different sizes?
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Because of differnt functions
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List the order of the Metric system
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Kilometer (10^3), Meter(10^0), Millimeter (10^-3), Micrometer (10^-6), Nanometer (10^-9)
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Micro Invasion?
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MicroOrganisms invade lungs ~> white blood cells respond ~> they leave blood vessels and enter lung air space ~> battle occurs (sneexing coughing fever runny nose)
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