Cell Theory

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Across
  1. 2. the scientist who named them cells
  2. 4. a structure inside a cell that performs a specialized function
  3. 5. All living things have this - their genetic code
  4. 10. internal balance in an organism
  5. 12. all living things are made of _________
  6. 13. organisms composed of more than one cell, like a human
  7. 14. all living things require ___________ which is why humans need food
  8. 15. All living things grow and develop
Down
  1. 1. organisms composed of only one cell like an amoeba
  2. 3. a self-contained living thing
  3. 6. Fire is considered ___________ because it is not composed of cells
  4. 7. the basic unit of life
  5. 8. a theory that states the following: all life is made up of cells, cells are the fundamental unit of life, and all cells come from preexisting cells
  6. 9. a device that lets us see cells
  7. 11. the scientist who stated all animals were made of cells