Question 1
The openings in the surfaces of leaves are known as ________, and the cells that control the size of the openings are called ________.
◦ chlorophyll; stomata
◦ stomata; guard cells
◦ guard cells; stomata
◦ stomata; chlorophyll
Question 2
The practice of repeatedly planting huge acreages of land in a single crop, such as wheat, ________ stability, and it makes an area ________ susceptible to disease.
◦ increases; more
◦ increases; less
◦ decreases; more
◦ decreases; less