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Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.