think about it; migration has something to do with seasonal changes. because when it gets cold outside the animals migrate. and then hibernation is basically the same thing. and so is dormancy. so the only answer that fits is circadian rhythm.
Answer: Answer: The correct answer is C) Circadian rhythm.
As earth revolves around sun in a slightly tilted position, it results in different seasons as the planet is changing distance from the sun throughout the year.
Due to seasonal change, animals exhibit different behaviors like migration ( movement from one area to another area), dormancy, and hibernation ( state of inactivation to prevent expenditure of energy).
Circadian rhythm is an internal biological clock of the living systems that regulates the various physiological processes. It always exist in a living system and is not the result of seasonal change.
