Which statements accurately describe the anatomy of a dorsiventral (dicot) leaf?
a. The epidermis covers both the adaxial (upper) and abaxial (lower) surfaces.
b. The adaxial epidermis generally bears more stomata than the abaxial epidermis.
c. The mesophyll is not differentiated and consists of a single type of parenchymatous cell.
d. The palisade parenchyma is adaxially placed and consists of elongated cells arranged vertically.
e. The spongy parenchyma is situated below the palisade cells and is loosely arranged with large air cavities.
f. The vascular bundles are surrounded by a layer of thin-walled bundle sheath cells.
g. Veins vary in thickness due to the reticulate venation pattern.
