Cell theory

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Across
  1. 4. A group of interacting, interrelated, or interdependent parts that function together as a whole to achieve a common purpose or goal
  2. 6. A living thing composed of more than one cell
  3. 8. Who esrablished all living things are composed of cells.
  4. 9. Who established all plant tissues are composed of cells and that the cell is the basic building block of plant life
  5. 10. The scientific theory that life on Earth originated from nonliving organic matter through natural processes
Down
  1. 1. The basic structural, functional, and biological unit of all living organisms
  2. 2. Having or consisting of only one cell
  3. 3. A group of similar cells working together to perform a specific function within a multicellular organism
  4. 5. First to observe single-celled organisms
  5. 7. Credited with the first compound microscope​