Ask Question
18 April, 02:26

The evolution of organisms that use oxygen in their respiration was possible only because of the action of a group of bacteria that produced oxygen and changed the earth's atmosphere from an anoxic one to one rich in oxygen. that group of bacteria was:

0
Answers (1)
  1. 18 April, 03:56
    0
    Photosynthetic bacteria changed the Earth's atmosphere
Know the Answer?