4 years ago. because nitrogen-fixing bacteria live inside them in a symbiotic relationship. basically, these nitrogen loving bacteria help the plant AND get benefits from the plant. a win-win situation; that is basically what symbiosis means. hope this helped. :) anonymous.
Lima beans are packed with protein and a wide array vitamins and minerals. They are particularly a good source of copper, manganese, folate, iron and cholesterol-lowering fiber. They also provide numerous health benefits including: promoting heart health, producing energy and stabilizes blood sugar levels.
Vegetable Nutrition Chart. As you select vegetables to cook and eat, consider the nutrients and minerals in your common vegetables 1  : Green beans are a good source of vitamin C, folic acid, iron, and potassium. 2  Dried beans provide protein, B vitamins, folic acid, iron, magnesium, and potassium. Leeks are a good source of fiber, iron, and vitamins A and C, and they contain the cancer-fighting phytochemical diallyl sulfide. 2  Okra provides vitamin C and the B vitamins, magnesium, lutein, and potassium. 3  Peas pack plenty of protein, B vitamins, vitamins C and A, manganese, iron, potassium, and lutein.