Cell Theory Review

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Across
  1. 1. Keeping conditions inside the organism within tolerable limits.
  2. 3. 1. All living things are made of cells. 2. Cells are the basic unit of life. 3. All cells come from pre-existing cells.
  3. 8. Discovered bacteria and developed the microscope lens to see greater maginification.
  4. 9. Concluded that new cells could be produced only from the division of existing cells.
  5. 10. Perceiving changes and responding changes in the environment.
  6. 12. Primitive cells with no nucleus.
  7. 13. Chemical reactions inside the cell.
  8. 14. Increase in size.
  9. 15. The first person to see and name cells.
  10. 16. Smallest structural and functional unit of an organism.
Down
  1. 2. Concluded that all plants are made of cells.
  2. 4. Protection against enemies.
  3. 5. Producing offspring.
  4. 6. Concluded that all animals are made up of cells.
  5. 7. Obtaining food to provide energy for growth.
  6. 11. Complex cells, contain a nucleus and membrane bound organelles.