Bacteria relies on a relatively narrow range of what?
RNA Fe 12 DDT DNA pH CO2 O2
A B C D E F G H
Life during most of the Precambrian was restricted to bacteria and algae.
bacteria relies on a relatively narrow range of pH
Bacteria relies on a relatively narrow range of what? (A) RNA (B) Fe (C) 12 (D) DDT (E) DNA (F) pH (G) CO2 (H) O2