Put a small drop of water on a microscope slide ... Area = πr 2 = 3.14 × 0.20 × 0.20 = 0.13 mm 2 The number of stomata in the field of view is 12.

In this field of view, there are 12 stomata - nine open and three closed. The images show the fields of view of a plant leaf viewed with a microscope. Count the number of stomata in each sample.

Principles of quantum ghost imaging. Top: Sorghum plant and quantum ghost microscope image of a live sorghum leaf. Bright spots are rows of stomata. Bottom: Binary test targets, including a ghost ...

A colorized electron microscope image of a tomato leaf stoma. Credit: Photohound/Wikimedia Commons Stomata, or plant tissue's equivalent to pores, allow for the exchange of gasses: carbon dioxide ...