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Science · Grades 1–2

Life Cycle

noun

The stages of growth and change a living thing goes through from birth to death.

Example Sentences

"A butterfly's life cycle includes egg, caterpillar, chrysalis, and adult."

"Students drew diagrams of the frog's life cycle."

Synonyms & Related Terms

growth stagesdevelopment

Quick Check

Which best describes the meaning of life cycle?

Study Tips

To remember life cycle, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.