Answer to Question 1
People have different food preferences and may not eat a given food group. Vegetarians may not eat meats but will eat beans and nuts, which are part of the protein foods group. Some vegetarians may not eat dairy products or eggs and will need to get calcium from other sources Many people cannot tolerate wheat gluten and need to find gluten-free alternatives. Many people may be allergic to dairy products as well. People also eat different types of foods based on their native cultures.
Some people are more active than others and may need more carbohydrates or proteins than others. One key point is that these guidelines are designed for healthy people. People with health conditions should work with their healthcare team, which hopefully will include a registered dietitian.
Answer to Question 2
b