Biology 40s Exam - Diversity of Life Unit

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KaZuma_t3
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293677
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Biology 40s Exam - Diversity of Life Unit
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2015-01-24 22:33:32
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biology
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biology
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  1. what is the basic unit of all living organsims
    the cell
  2. what are the 3 domains of life
    • archea
    • eubacteria
    • eukaryota
  3. define domain archea
    • ancient life
    • salt-water and heat loving microbes
    • found in hydrothermal vents
    • oldest life forms
    • anerobic
    • autotrophic (chemotrophic)
  4. define domain eubacteria
    • true bacteria
    • anything with prokaryotic cells
  5. define eukaryota
    • anything with eukaryotic cells
    • 4 kingdoms:
    • -protists
    • -fungi
    • -plants
    • -animals
  6. define classification
    to arrange into groups of categories
  7. define taxonomy
    • the science of classifying and naming living organsims
    • Carl Lannaeus invented binomial nomenclature
  8. what is the hierachical classification
    • kingdom
    • phylum
    • class
    • order
    • family
    • genus
    • species
  9. define dichotomous key
    step by step key to figuring out which species you are dealing with
  10. which is the most broadest and most specific classification
    species
  11. how are prokaryotic and eukaryotic alike
    • contain dna
    • similar pattern of metabolism
    • have cell membranes
    • diverse in forms
    • some are unicellular organisms
  12. how are prokaryotic and eukaryotic cells different
    • prokaryotic:
    • no nucleus
    • smaller
    • has thick cell wall
    • no cytoskeleton
    • unicellular

    • eukaryotic:
    • 10x larger in diameter
    • true nucleus
    • membrane enclosed organelles
    • have cytoskeleton
    • multicellular
    • may have cell wall
    • in all living organisms

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