自然 (Nature) refers to the physical world and all living organisms that exist within it. This includes everything from the smallest microorganisms to the largest ecosystems, such as forests, oceans, and mountains. Nature encompasses various elements like plants, animals, and minerals, all interacting in complex ways to sustain life. The study of nature is essential for understanding ecological balance and biodiversity. It helps us appreciate the importance of conservation efforts to protect endangered species and habitats. By observing nature, we can learn about the interconnectedness of life and the impact of human activities on the environment, promoting a sustainable future for all living beings.