The first that oxygenated the atmosphere were:
Correct answer: A. Cyanobacteria
- A. Cyanobacteria
- B. Phototrophic organisms
- C. Anaerobic organisms
- D. All of the above
Explanation
It is a fact that the first organisms that oxygenated the atmosphere were cyanobacteria
Last updated
Related questions
A bacillus bacterium with a single flagellum at one end is described as:
A bacteria without flagella is called:
A bacterial cell envelope of mollicutes does not include?
A bacterial cell, having plasma membrane with all things present within it is called:
A bacterium divides every 36 minutes. If a culture containing 105 cells/ml is grown for 180 minutes, what will be cell concentration after that period?