WHAT IS LIFE?

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Across
  1. 4. USABLE PARTS OF FOOD
  2. 6. NON-MOTILE
  3. 7. ORGANISMS THAT DON'T USE OXYGEN FOR RESPIRATION
  4. 9. LIVING THING
  5. 11. THE MAINTENANCE OF HOMEOSTASIS THROUGH SIGNALS
  6. 14. CONTROL AND COORDINATION OF LIFE ACTIVITIES
  7. 15. CIRCULATION AND ABSORPTION OF MATERIALS
  8. 16. OBTAIN AND PROCESS FOOD
  9. 20. THE PRODUCTION OF NEW INDIVIDUALS IN SPECIES
Down
  1. 1. A TERM FOR DYNAMIC EQUILIBRIUM
  2. 2. REMOVAL OF UNDIGESTED SOLID MATERIALS
  3. 3. MAKING COMPLEX SUBSTANCES FROM SIMPLE ONES
  4. 5. THE SUM TOTAL OF ALL LIFE ACTIVITIES
  5. 8. REMOVAL OF WASTES
  6. 10. RELEASE OF ENERGY FROM FOOD
  7. 12. INCREASE IN SIZE AND/OR NUMBER OF CELLS
  8. 13. ORGANISMS THAT USE OXYGEN
  9. 17. TAKING IN FOOD
  10. 18. THE STUDY OF LIVING ORGANISMS
  11. 19. AN ORGANISM THAT CANNOT MAKE ITS OWN FOOD