noun
a series of stages through which an organism passes during its lifetime, from birth to death
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The study of the life cycle of a butterfly is a common topic in biology classes.
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Have you ever thought about the life cycle of a plant? It's pretty interesting.
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Dude, the life cycle of a frog is like, so cool to learn about.
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Just like the life cycle of a business, we all go through different stages in our careers.