NAME: ________________________

Chpt 1.3, 2.1, 2.2 Test

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5 Written Questions

5 Matching Questions

  1. element
  2. homeostasis
  3. DNA
  4. asexual reproduction
  5. ionic bond
  1. a maintain stable internal environment
  2. b pure substance made of only one kind of atom
  3. c the attractive force between two ions of opposite charge
  4. d process by which a single parent reproduces by itself
  5. e the material that contains the information that determines inherited characteristics (deoxyribonucleic acid)

5 Multiple Choice Questions

  1. bond created by the weak attraction of a slightly positive hydrogen atom to a slightly negative portion of another molecule
  2. 1. made of cells
    2. have universal genetic code (DNA/RNA)
    3. maintain stable internal environment (homeostasis)
    4. change over time as a species (evolve)
    5. reproduce as a species (sexual & asexual reproduction)
    6. respond to environment (stimulus)
    7. obtain & use materials and energy (metabolism)
    8. grow & develop
  3. the force that holds two atoms together
  4. process in which genetic material from two parents combines and produces offspring that differ genetically from either parent
  5. center of atom, contains protons and neutrons

5 True/False Questions

  1. valence electronnegatively charged subatomic particle that circles the nucleus of an atom


  2. evolutionmixture with parts evenly distributed


  3. atombasic unit of matter - made of 3 subatomic particles


  4. adhesionattraction between molecules of the same substance


  5. compoundcharged atom


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