Life Science News
An ecosystem is all the living and nonliving things in an environment and the ways they interact. All living things in an ecosystem need water, food, temperature and space to grow. The energy they need comes from the sun. 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 or being eaten. A food web is a system of overlapping food chains. All living things are connected and depend on each other in order to survive.