What are the main external parts of a leaf?
Leaf base, axil, petiole, midrib, margin, tip (apex), veins
Which cells in the leaf have the most chloroplasts?
Palisade mesophyll
What is the role of spongy mesophyll?
Facilitates gas diffusion with large air spaces
Where are most stomata found in a dicot leaf?
On the lower epidermis
What is the function of the cuticle?
Waxy layer that minimizes water loss
What is the role of the vascular bundle in a leaf?
Xylem (water transport), phloem (sugar transport), structural support