英语翻译1,in this way,the sun's energy enters then flows through

英语翻译
1,in this way,the sun's energy enters then flows through biological ecosystems,and is gradually lost to the environment as it passes from one organism to the next .
2,dead organisms,egested and excreted materials contain trapped chemical energy.this is released by the activity of microorganisms which use some of this energy for their needs.the rest is lost as heat