Biology test one

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Author:
makaela01
ID:
259816
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Biology test one
Updated:
2014-02-02 15:47:23
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biology
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Biology test one
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  1. What is Biology?
    Biology is a natural science concerned with the study of life and living organisms
  2. What are the basic unit of life?
    Cells
  3. what are the basic unit of heredity?
    Genes
  4. Waht are the three domains in life?
    Bacteria, Archaea, Eurkarya
  5. What are the 4 types of kingdoms?
    Plantae, fungi, animalia, protists
  6. Name the classifications
    Domain, Kingdom, Phylum, class, order, family, genus, species
  7. What is a single element called
    An atom.
  8. What are atoms made of
    Protons, electrons and neutrons
  9. About 25 of the 92 elements are essential to life
  10. what four elements make up 96% of living matter
    Carbon, hydrogen, oxygen and nitrogen
  11. What is the outermost ring called
    Valence shell
  12. What is a Polar molecule?
    Molecule with positive and negative sides

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