Chlorophyll is a green pigment found in plants. Plants use chlorophyll and light to make food. People sometimes use chlorophyll as medicine. Common sources of chlorophyll used for medicine include alfalfa, algae, and silkworm droppings.
Answer: Chlorophyll is the green pigment found in most plants. It is essential for plants to have chlorophyll as it is used in photosynthesis to make food. (Fun fact, it can also be used for medicine!)