Photorespiration
A) produces glucose.
B) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco.
C) is of benefit to the plant since it breaks down rubisco.
D) is attributable to high CO2 levels.
E) produces ATP.
Answer: B) is an evolutionary relic from when atmospheric O2 levels were low and did not interfere with rubisco.
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