A Fellow Student Brought in a Leaf to Be Examined

Multiple Choice

A fellow student brought in a leaf to be examined. The leaf was dark green, thin, had stoma on the lower surface only, and had a total surface area of ten square meters. Where is the most likely environment where this leaf was growing?

A) a large, still pond
B) a tropical rain forest
C) an oasis within a grassland
D) the floor of a deciduous forest