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.
A cup of black beans contains 15 grams of fiber, which is 60 percent of the 25 grams you need each day. A cup of lima beans contains 13.2 grams of fiber, and a cup of baked beans has 10.4 grams. In comparison, a cup of raw carrots or a cup of corn each contain 3.6 grams of fiber.