Final answer:
A vitamin is an organic essential nutrient that promotes growth, reproduction, and the maintenance of health and life. It is required in tiny amounts and cannot be produced in sufficient amounts by the body.
Step-by-step explanation:
An organic, essential nutrient required in tiny amounts to perform specific functions that promotes growth, reproduction, and the maintenance of health and life is called a Vitamin. Vitamins are necessary for various bodily functions and cannot be produced in sufficient amounts by the body, so they must be obtained from the diet.
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