Answer: Organisms depend on other organisms and on the nonliving things in an ecosystem to meet their basic needs for food, water and protection. 3. Plants use energy from the sun to produce their own food from air and water.
They rely on them to get energy. Plants get food and energy from the sun directly and then animals eat the plants giving them food and energy indirectly. Animals that eat other animals get their energy indirectly from the animals they eat
