Some scientists believe that photorespiration is a metabolic relic from earlier times when the atmosphere contained less oxygen and more carbon dioxide than is present today.
(the atmosphere; contained; less oxygen and more carbon dioxide; T:earlier times) (Some scientists; believe; that photorespiration is a metabolic relic from earlier times) Context(Some scientists believe,List([0, 23))):(photorespiration; is; a metabolic relic from earlier times)
Some scientists believe,List([0, 23))
the atmosphere Some scientists photorespiration
contained believe is
less oxygen and more carbon dioxide T:earlier times
that photorespiration is a metabolic relic from earlier times
a metabolic relic from earlier times