This document discusses the key characteristics of living things. It explains that living things include animals, humans and plants. They are born, grow and die, and need food, water and air. The three life processes all living things have are nutrition, interaction and reproduction. It provides examples of how different animals eat, communicate, move and reproduce. It also describes how plants make their own food through photosynthesis, interact with their environment, and reproduce through seeds or growth. The document teaches that living things can be classified as animals, humans or plants.