Multiple choice

Stomata of CAM plants

  1. open during the night and close during the day

  2. never open

  3. are always open

  4. open during the day and close at night

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

CAM (Crassulacean Acid Metabolism) plants keep their stomata closed during the day to minimize water loss in arid environments and open them at night to take in CO2.