Autotrophic organisms (autotrophs) are important ecologically as primary producers, their activities ultimately supplyin自养生物体在生态学上是重要的初级生产者，它们的活动最终为所有的异氧生物体提供能量。
The carbon dioxide in the atmosphere is taken up by autotrophic organisms (mainly green plants) and incorporated into ca在大气中存在的二氧化碳被自养生物体（主要是绿色植物）所吸收并合成为碳水化合物。