[i really need the , i'll give 40 points] 2. decomposers tend to go about their business without being noticed or rewarded for the work they do. explain the importance of decomposers in ecosystems. include in your answer the role that mold plays in a forest. 3. what form is energy in when it enters a food chain and when it leaves a food chain?

      A Decomposer breaks down dead plants and animals. They also break down waste of other organisms. Decomposers are very important for the ecosystem because without them, plants would not get the essential nutrients they need and waste and dead matter would pile up. Mold is an example of a decomposer. They eat fruit, berries, and other consumers. By eating consumers, there is a balance in the forest. The form of energy that enters a food chain is sunlight and leaves in the form of heat. 

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In fact it is not just nuclear fusion and fission that  can  transform  matter  (or mass)into energy. any time  energy  is produced, some small amount of  matter  or mass isconverted into energy.