Crossword Genius

Series of changes through time of existence (4,5)

Ross

I believe the answer is:

life cycle

(Other definitions for life cycle that I've seen before include "Process eg from egg to imago to egg ..." , "(In biology) series of changes in form that an organism undergoes" , "Jaques' speech describes this" , "Round of changes" , "our generation" .)

I've seen this clue in the Sydney Morning Herald.
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