Breakers give the makers nutrients. The makers use the nutrients to grow bigger and to make new food. Color the makers green, the eaters orange, and the breakers brown. Dead trees don't have any leaves. Their bark may fall to the ground.
Most people harvest, or cut down, dead trees.
They use a saw to make firewood. Or they look for trees laying on the ground. People will make firewood from these trees. Scientists have found that dead trees and logs are very, very important. Think about it.