“ Without photosynthesis, ” explains The New Encyclopædia Britannica, “not only would replenishment of the fundamental food supply halt but the Earth would eventually become devoid of oxygen. ”
” Bez fotosintēzes ne tikai apstātos galveno pārtikas krājumu atjaunošanās, bet laika gaitā zemeslode paliktu arī bez skābekļa. ” ( The New Encyclopædia Britannica.)