Biology Final Project

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Across
  1. 3. required
  2. 6. light emitted by some substances after being exposed to light
  3. 9. a unit apart or by itself
  4. 11. of great value
  5. 13. very small
  6. 15. many kinds of life
  7. 17. designed for people to live in
  8. 20. full of or swarming with
  9. 21. throw in various directions
  10. 23. able to adjust
Down
  1. 1. a thin barrier
  2. 2. able to be used for a practical purpose
  3. 4. a scent used by animals
  4. 5. so small it can be seen only with a microscope
  5. 7. to transfer, pass
  6. 8. a nerve cell
  7. 10. the chemical in hot peppers that gives a burning sensation
  8. 12. to get smaller
  9. 14. movement from one region to another
  10. 16. a person who offers to do a task
  11. 18. the central part of something
  12. 19. not exact or accurate
  13. 22. animals that begin life in water then live on land
  14. 24. relating to the earth