Animal Communication

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Across
  1. 2. chemical substances to find mates
  2. 4. communication through sound
  3. 6. to blend in with the environment
  4. 8. when soundwaves bounce back off an object
  5. 10. to find one's way around
Down
  1. 1. communication through smell
  2. 3. form of light that produces no heat
  3. 5. communication through sight
  4. 7. used to mark territory or used in defense
  5. 9. resembling another species by behavior or physical appearance