Final answer:
Teen boys need 2000-3200 calories while teen girls need 1800-2400 calories per day, obtained from nutrient-dense foods.
Explanation:
Teen boys require a caloric intake range of 2000 to 3200 calories per day depending on their activity level. On the other hand, teen girls should aim for a daily intake of 1800 to 2400 calories. It's essential that teenagers obtain the extra energy needed from nutrient-dense foods to support growth and development.
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