Type of Rhythm Involving a Natural Day Cycle
This page is the CodyCross answer for the clue below from Tracking Time, Group 1047, Puzzle 5 (Daniel Quare).
Question is: Type of Rhythm Involving a Natural Day Cycle
and the answer is: CIRCADIAN
Word Meaning:
CIRCADIAN — (biology) Of, relating to, or showing rhythmic behaviour with a period of approximately 24 hours; especially of a biological process.
Definitions from Wiktionary.