In most cases, primary food production occurs in a process called photosynthesis, which is powered by sunlight. In a few environments, primary production happens though a process called chemosynthesis, which runs on chemical energy. Together, photosynthesis and chemosynthesis fuel all life on Earth.
Eat 5 â 7 servings of meat and beans per day. This depends on the total number of calories you consume in a day. 1  If you consume 1600 â 1800 calories, eat 5 servings per day. 2  If you consume 2000 calories, eat 5 Â½ servings per day. 3  If you consume 2200 calories, eat 6 servings per day. 4  If you consume 2400 â 2600 calories, eat 6 Â½ servings per day.
And eating more vegetables than fruit in one's diet is better for health. It's the eating seven times a day for any kind of food is what I have problems with. Not that it is right or wrong to eat seven times a day; I just do not have the time to eat seven times a day.s you might suspect, eating any amount of vegetables was better than none at all, but the benefits increased with more servings: 1  Those who ate five to seven servings of vegetables and fruits per day had a 36 percent lower risk of dying from any cause. 2  Three to five servings was associated with a 29 percent lower risk.