Changes in biological activity occurring daily are referred as _________ rhythm?
Correct answer: D. Circadian
- A. Circannual
- B. Circa triginatan
- C. Circa sestin
- D. Circadian
Explanation
A circadian rhythm repeats approximately every 24 hours, matching daily biological changes such as the sleep-wake cycle. Circannual refers to a yearly rhythm, not a daily one.
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