Characteristics of Life Crossword Puzzle

12345678910111213141516171819202122
Across
  1. 8. organisms that are composed of only one cell
  2. 10. organisms that are composed of more than one cell
  3. 11. the physical increase in size of an organism
  4. 15. plants responding to light
  5. 16. any living thing
  6. 17. the process of maturation and functional changes in an organism
  7. 20. the idea that living things could come from nonliving things
  8. 22. the idea that living things must come from other living things
Down
  1. 1. maintaining constant internal conditions
  2. 2. also known as a water bear
  3. 3. reproduction that requires two parents
  4. 4. the study of life
  5. 5. reproduction that requires a single parent (budding or cloning)
  6. 6. plants responding to gravity
  7. 7. organisms that make their own food through photosynthesis
  8. 9. a reaction to a stimulus
  9. 12. organisms that eat other organisms for nutrition
  10. 13. the founder of experimental biology
  11. 14. the molecule that contains instructions for all living things
  12. 18. the system by which homeostasis is maintained
  13. 19. the smallest unit of life
  14. 21. the scientist who carried out the S-shaped flask experiments