Is called autotroph organisms that create organic molecules needed for survival from inorganic sources. this is achieved through photosynthesis (which is light energy) or chemosynthesis (which is chemical energy).
And photosynthesis is when autotrophs capture and convert the light energy from the sun into usable chemical energy (which is their food).
i just answered the same question like 20 min ago XD
I just looked it up, it's carbon!
Endomembrane system include: the nuclear membrane, the endoplasmic reticulum, theGolgi apparatus, lysosomes, vesicles,endosomes and the cell membrane.