Question

who proved that some micro organisms can survive without oxygen

Answer 1

your answer is given below

Yes ,there are few species of bacteria which live without oxygen in anarobiC condition. The smallest organism on earth..mycoplasma can survive in absence of oxygen.They come in the category of bacterias. Yes there are species that can live witout oxygen. they are called anaerobes

hape it will help u

Answer 2

Aerotolerant and facultative