98%
IsItCap Score
Truth Potential MeterHighly Credible
Highly Credible
oceanservice.noaa.gov
How much oxygen comes from the ocean?
NOAA explains that scientists estimate roughly half of Earth's oxygen production comes from the ocean, primarily oceanic plankton, with Prochlorococcus alone producing up to 20%, more than all tropical rainforests combined.
ocean.si.edu
With Every Breath You Take, Thank the Ocean
The Smithsonian states that more than half of the oxygen we breathe comes from marine photosynthesizers like phytoplankton, with Prochlorococcus responsible for 20% of atmospheric oxygen.
scripps.ucsd.edu
Phenomenal Phytoplankton: Scientists Uncover Cellular Process Behind Oxygen Production
UC San Diego’s Scripps Institution reports phytoplankton produce around 50% of Earth's oxygen, forming the base of the aquatic food web.
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