Here are 5 reasons why plants are living thingsGrow - They keep growing. They get bigger and having more parts. Reproduce - Plants reproduce asexually, through seeds or from parts like stems (runners).Respond - They grow toward light (phototropism), react to touches, and grow depending on water or temperature.Respiration - Like animals, plants need air. They take carbon dioxide and release oxygen.Need Energy - Plants make their own food with the use of sunlight and it's called photosynthesis. They get their nutrients from the soil through their roots.