What is the main adaptive advantage of the C4 and CAM photosynthesis strategies over the C3 strategy?

A) They help the plant synthesize glucose efficiently under dry conditions.
B) They allow the plant to fix carbon under conditions of low CO2.
C) They allow the plant to fix carbon in cool conditions.
D) They make it possible for the plant to use the Calvin cycle at night.


Answer: A

Biology & Microbiology

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