1. Stomata

2. Where are stomata found?

5. Function of Stomata
1. Gas Exchange – carbon dioxide (CO2) enters, while oxygen (O2) exits

6. 2. Transpiration – the evaporation of water through the stomata
Function of Stomata
2. Transpiration – the evaporation of
water through the stomata

7. Leaf Impressions

8. Estimating Number of Stomata
Mentally divide the field of view into fourths.
Count how many stomata there is in ¼ of the field of view.
Multiply the number by 4 to get an estimate of the number of stomata in the whole field of view.
EX: 12 x 4 = 48