Why are both food and water important for living organisms?

Food and water are important for living organisms because they provide the energy, nutrients, and conditions required for survival, growth, and proper body functioning. All living things depend on these essential resources to carry out life processes.

Food supplies nutrients such as carbohydrates, proteins, fats, vitamins, and minerals. These nutrients provide energy, support growth, repair body tissues, and help organisms stay healthy. Plants prepare their own food through photosynthesis, while animals obtain food from plants or other organisms.

Water is necessary because it helps transport substances, regulate body temperature, support chemical reactions, and maintain normal cell functions. In plants, water is also required for photosynthesis and movement of minerals from the soil.

Without adequate food and water, living organisms cannot perform essential activities needed for life. Their availability helps maintain the balance of ecosystems and supports biodiversity on Earth.