"Sharks create oxygen": A scientific perspective | Southern Fried Science - 0 views
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Tom Woodward on 17 Feb 16"The premise of the sharks and oxygen claim is as follows: A) Sharks, many of which are apex predators, are important in regulating marine food webs; B) Phytoplankton, which create oxygen through photosynthesis, are in marine food webs; C) Therefore, without sharks, phytoplankton populations will crash and we won't have any more oxygen and we'll all die. "