3 biology chapter one hearts

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Anonymous
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98826
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3 biology chapter one hearts
Updated:
2011-08-29 01:02:13
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Description:
the hierchy of biological organization
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  1. what are the 11 biological organizations and their examples?
    • -atoms
    • -molecules
    • -cells
    • -tissues
    • -organs (heart, brain, lungs)
    • -organ system (organs working together)
    • -organisms
    • -population (or same organism species)
    • -community (different species)
    • -ecosystem (community plus nonliving things (such as air, water, sunlight)
    • -biosphere (level of all ecosystems)
  2. what are the two types of cells?
    • -prokaryotic (bacteria)
    • -eukaryotic
  3. what are the 4 characteristics of prokaryotic cells?
    • -small
    • -simple
    • -no not have a nucleus
    • -contains DNA
  4. What are the 3 characteristics of eukaryotic cells and 2 examples?
    • -bigger than prokaryotic calls (10x)
    • -complex
    • -have a nucleus

    • -such as humans
    • -such ad plants

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