4th Grade

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Across
  1. 4. structure used to hear
  2. 8. a structure that helps an organism gather information about its environment
  3. 9. the ability to perceive sensation in the mouth or throat
  4. 11. to detect information about an environment by using external structures containing receptors specialized to receive particular types of information
  5. 12. structure used to smell
Down
  1. 1. the way in which an animal or person acts in response to a particular situation or stimulus
  2. 2. a part of the animal's body that serves a specific purpose
  3. 3. the ability to see
  4. 4. structure used to see
  5. 5. a reaction to something
  6. 6. something that causes a reaction
  7. 7. the ability to sense sound
  8. 10. facts provided or learned about something or someone
  9. 13. the outward features of something