Answer:
Energy does not cycle the way nutrients and atoms do. Energy enters the ecosystem from the Sun and exits after the organisms have taken as much as they need. Organisms release energy back into the biosphere as heat.
It is important for scientists to remain open minded about information that they come across in their experiments, so that they do not become biased about the result. it can always happen that the results that come out are contrary to what the scientist expected. It is important to openly accept that the scientists prediction was wrong.
