Bio exam

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Across
  1. 5. change in rate of turning (non-directional)
  2. 6. looking like a less tasty species
  3. 9. regular repeated movements from different geographic locations
  4. 10. one species benefits the other is neither harmed or benefits
Down
  1. 1. hormone in tropisms
  2. 2. external influence of biological clock
  3. 3. time giver, the thing that stimulates biological clock
  4. 4. awake in day time asleep at night
  5. 7. a response to smell/scent
  6. 8. directional movement positive or negative