Whales eat plankton and plants make their own food from sunlight. These are examples of which life process?

Are you familiar with MRS. NERG? Many people use these letters as a reminder of the seven scientific terms - Movement, Reproduction, Sensitivity, Nutrition, Excretion, Respiration and Growth. Anything that is alive must demonstrate all seven of these processes. Believe it or not, everything that is alive has senses of some kind - even plants. They can tell in which direction the Sun is in, and they also know the difference between up and down.