Life Science News
An ecosystem is all the living and nonliving things in an environment and the ways they interact. All living things need water, food, temperature, and space to grow. The energy they need comes from the sun. The animals get energy by eating plants or other animals. They are called consumers.
Food Chains and food webs
In a food chain, living things transfer energy by eating and being eaten. A food web is a system of overlapping food changes. All living things are connected and depend on each other in order to survive.