Bio

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Author:
girl1tweety
ID:
171877
Filename:
Bio
Updated:
2012-09-19 09:52:33
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101
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Chapter1
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  1. Charcteristics of life
    living things can adapt, grow and develop, reproduce, respond to stimuli, acquire energy, capable of homeostasis, and are organized.
  2. Autotrophs
    organisms that can produce their own food usually by photosynthesis(plants)
  3. Heterotrophs
    Must obtain materials and energy by eating(animals)
  4. Homeostasis
    "staying the same" the ability of the body to maintain relatively constant internal environment as our external environment changes
  5. Scientific method definition
    a step by step process for solving problems in science utilized by scientists
  6. scientific method steps
    • 1) Observation
    • 2) Problem or question
    • 3) Hypothesis
    • 4)Testing the hypothesis
    • 5)Collection of data and analysis
    • 6)Conclusion
    • 7)Theory
  7. Levels of organization
    • 1.chemicals
    • 2.molecules
    • 3. cells
    • 4.tissue
    • 5.organs
    • 6.organ system
    • 7.organism
    • 8.population
    • 9.community
    • 10.ecosystem
  8. Levels of classification
    • 1.kingdom
    • 2.phylum
    • 3.class
    • 4. order
    • 5.family
    • 6.genus
    • 7.species

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