Evolution may come from natural selection acting on genetic variation caused by any combination of the following. CHOOSE ALL THAT APPLY
mutation
genetic
recombination
gene flow
extinction

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.

Which example would the nurse consider to be a part of systems thinking theory?

Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.