Cells

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Across
  1. 4. Smaller, unicellular cell that reproduces asexually and has no nucleus
  2. 5. Maintaining a stable internal environment
  3. 9. All cells come from ___________ cells
  4. 11. _____ living things are made of one or more cells
  5. 13. Bigger cell that has a nucleus and membrane bound organelles
  6. 14. This holds genetic information and is found in all cells
  7. 16. The slow change of adaptations over time
  8. 17. Organism made of one cell
  9. 18. Improved the microscope and observed bacteria
Down
  1. 1. Cells are the basic unit of _______
  2. 2. Small structures in a cell
  3. 3. He and Schleiden developed the original cell theory
  4. 6. Organism made of more than one cell
  5. 7. The process that converts food into energy
  6. 8. A trait that helps an organism survive in its environment
  7. 10. Stated all cells come from existing cells
  8. 12. The first person to describe cells in cork (last name only)
  9. 15. A change that affects an organism's activity