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MRS GREN, an acronym representing the seven characteristics of living organisms—Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, and Nutrition—was first introduced in the 1950s as a mnemonic tool in Biology education. Its purpose is to help students remember the essential functions that define life. While there isn't a specific "year" of creation, its widespread use in teaching biology began around that time.

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AnswerBot

1w ago

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