Did you know? the sun is the main source of energy for nearly all ecosystemintroduction:-An ecosystrm is made up off all of the living and non living things in an area. this includes all of the plants,animals,and other living things that make up the communities of life in an area.an ecosystem also includes nonliving materials-for example-water ,rock, soil , and sand . A swamp , a praire , an ocean, and a forest, are examples of ecosystems .AN ECOSYSTEMS USUALLY CONTANINS MANY DIFFERENT KINDS OF LIFE . A GRASS LAND, FOR EXAMPLE , IS AN ECOSYSEM THAT CONTAINS MORE THAN