Detailed Instructions: Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.
Problem:Question: Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis? Answer: annual
Solution:
Examples of behaviors with annual cycles include migration and hibernation. Both are innate behaviors. They are triggered by changes in the environment, such as the days growing shorter in the fall.