Biological Rhythms That Occur in Daily Cycles
This page is the CodyCross answer for the clue below from Australia, Group 1011, Puzzle 3 (Edith Cowan).
Question is: Biological Rhythms That Occur in Daily Cycles
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.