Most plants are:
AC4
BC3 — about 85% of all plants; includes most temperate crops
CCAM
DMixed
Answer & Solution
Correct answer: B. C3 — about 85% of all plants; includes most temperate crops
C3: ~85% of plant species. Includes wheat, rice, barley, oats, peanut, soy, cotton. C4: ~3% (but include important crops — maize, sugarcane, sorghum). CAM: ~10% (mostly desert succulents). C4/CAM evolved multiple times independently from C3.
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