Mepụta ụdị nke ahịrịokwu a dị mgbagwoju anya Dịka ọmụmaatụ, ụfọdụ nje sulfur na-acha akwụkwọ ndụ na-ejide ọkụ ọkụ maka photosynthesis anoxygenic.
N'ezie, ụdị okwu dị mgbagwoju anya nke ahịrịokwu ahụ bụ "Dịka ọmụmaatụ, ụfọdụ nje sulphur na-acha akwụkwọ ndụ na-ejide ìhè geothermal maka photosynthesis anoxygenic ebe ọkara nke okpomọkụ geothermal na-akpata site na alpha decay nke uranium na thorium n'ime ụwa. "