So we survival machines eat one another.Dawkins suggests that the first specimens ate a kind of "soup". These later on became plants, and some animals. Do we continue to eat the soup? Plants use sun and water for energy. That energy is passed down to animals that eat other animals. When these animals die, the minerals from their bodies is used by plants. So its a cycle. Why is it compared to a soup? Maybe because a soup contains various foods and condiments. Just like our bodies. Our bodies need iron, vitamins, Calcium, water, carbohydrates: Is it a mixture like a soup?
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