B4

12345678910111213141516171819
Across
  1. 2. Consume food
  2. 4. Fast movement
  3. 6. Change position
  4. 8. Mature organism
  5. 10. No longer living
  6. 12. Living state
  7. 13. Become different
  8. 15. Move through air
  9. 16. Move through water
  10. 17. Developing human
  11. 19. Low temperature
Down
  1. 1. Heat-related state
  2. 3. Take in air
  3. 5. Resting state
  4. 7. Produces sperm
  5. 9. Consume liquid
  6. 11. Young organism
  7. 14. Increase in size
  8. 15. Produces eggs
  9. 18. Well-being