Life Science News

ECOSYSTEMS

ENERGY FLOW

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 other 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 chains

All living things are concerned and depend on each other in order to survive.