Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya Ihe ka ọtụtụ n'ime osisi, ọtụtụ algae, na cyanobacteria na-eme photosynthesis.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Ọtụtụ osisi, ọtụtụ algae, na cyanobacteria na-eme photosynthesis, a na-akpọkwa ihe ndị dị otú ahụ fotoautotrophs. "