"Why do leaves change color in the fall?", "Are plants really alive?", and "Why do plants have flowers?" -- these are some of the questions children love to ask their parents, and the answers are "growing" right here! "Why do leaves change color in the fall?", "Are plants really alive?", and "Why do plants have flowers?" -- these are some of the questions children love to ask their parents, and the answers are "growing" right here!.