Which of the following is true for teenagers? Your body needs less calories than when you were a child.
Your body needs more calories than when you were a child.
The more active you are, the less calories you need.
Female teens need more calories than male teens.

Your body needs MORE calories than when you were a child.

Explanation:

Calorie needs vary depending on age, sex, height and activity level. Calorie needs are often higher during the teenage years than any other time of life. During this period of rapid growth and development, boys require an average of 2,800 calories a day, while girls require an average of 2,200 calories a day.