Tomatoes are used a lot in Italian food. They are also used to make ketchup. Tomatoes are called fruit, because they contain seeds. Tomato seeds are dispersed by being eaten by animals. #Tomatoes are loaded with a substance called lycopene. It gives them their bright red color and helps protect them from the ultraviolet rays of the sun. In much the same way, it can help protect your cells from damage. Tomatoes also have potassium, vitamins B and E, and other nutrients.