Stomata of CAM plants:
1. | Are always open |
2. | Open during the day and close at night |
3. | Open during the night and close during the day |
4. | Never open |
Plants adapted to low light intensity have:
1. | Higher rate of CO2 fixation than the sun plants |
2. | More extended root system |
3. | Leaves modified to spines |
4. | Larger photosynthetic unit size than the sun plants |