Responses to the Environment

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Across
  1. 3. Active primarily during the night as a behavioral adaptation to environmental conditions.
  2. 4. Any visual, audible, tactile, electrical, or chemical cue used by organisms to communicate information.
  3. 7. The growth or movement of a plant in response to light direction.
  4. 11. The maintenance of a stable internal environment in response to changing conditions.
  5. 12. The response of an organism to the relative lengths of day and night.
  6. 13. A behavior that is modified or acquired through experience and interaction with the environment.
  7. 14. An organism's ability to survive and reproduce successfully in its environment.
  8. 15. A behavior that is genetically programmed and does not require prior experience.
Down
  1. 1. The exchange of information between organisms through signals that can alter behavior.
  2. 2. Any internal or external change in the environment that triggers a response in an organism.
  3. 5. A non-directional change in movement speed or turning rate in response to a stimulus.
  4. 6. The act of an animal feeding on plant material, which can trigger a defensive response in the plant.
  5. 8. Relating to the internal biological functions and processes of an organism.
  6. 9. A directed movement of an organism toward or away from a stimulus.
  7. 10. A type of behavior where individuals work together, increasing the survival and fitness of the group.