Bio Chapter 1

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Across
  1. 3. made of more than one cell
  2. 4. keeping a stable internal environment
  3. 6. the study of life
  4. 8. genetic code
  5. 11. only organelles both prokaryotes and eukaryotes have
  6. 13. a type of cell that is simple with no nucleus
  7. 15. where eukaryotes keep their DNA
  8. 16. make their own energy from the environment
  9. 17. last name of the man who first observed cells
  10. 18. a type of cell that is larger and more complex than a prokaryote
  11. 19. a signal to which an organism responds
Down
  1. 1. made of one cell
  2. 2. obtain energy from other organisms
  3. 5. reproduction between two parents
  4. 7. the reaction to a stimulus
  5. 9. reproduction from a single organism
  6. 10. the place where all forms of life are connected and exist
  7. 12. the combination of chemical reactions through which an organism builds up or breaks down materials
  8. 14. where prokaryotes keep their DNA