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Butterflies are needed in our environment and they are beneficial to us. They are colorful insects that bring beauty to our Mother Nature. Pollination is one of their great role. They feed on nectars coming from the flowers and when they get some nectars, their bodies carry some seeds and these seeds when fell on the ground and grow up, they become plants too. Butterflies continue to preserve the beauty of our nature. We need them to have a clean environment also.