Q: Triggered by changes in the environment, migration and hibernation occur as cycles on what temporal basis?


Read this paragraph and choose the correct option from the provided answers:

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.

 Choices:

- bi-annually

- seasonally

- monthly

- annual


A:
annual