TIL: 20% of Our Oxygen Comes from Bacteria

National Geographic
Contributed By
National Geographic
Resource Type
Classroom Material
Keywords
Biology
Subjects
Life Sciences Chemistry
Grade Levels
Grade 5 Grade 6 Grade 7 Grade 8 Grade 9 Grade 10 Grade 11 Grade 12
Related Resources

TIL: 20% of Our Oxygen Comes from Bacteria

Did you know that 20% of the oxygen we breathe comes from the ocean? Tiny bacteria called prochlorococcus are hard at work turning carbon dioxide into the oxygen we breathe through photosynthesis. Join oceanographer and National Geographic Explorer-in-Residence Sylvia Earle to learn about this small but mighty organism.
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