One important difference between the anatomy of roots and the anatomy of leaves is that ________.
A) only leaves have phloem and only roots have xylem
B) root cells have cell walls and leaf cells do not
C) a waxy cuticle covers leaves but is absent from roots
D) vascular tissue is found in roots but is absent from leaves
E) leaves have epidermal tissue but roots do not

Question

Quizplus · Accepted Answer

A waxy cuticle covers the leaves to prevent water loss through transpiration but is absent in roots to allow for water uptake through the epidermis. The other options given are incorrect. Xylem and phloem are present in both roots and leaves. Both root and leaf cells have cell walls. Vascular tissue is found in both roots and leaves. Both roots and leaves have epidermal tissue.

One Important Difference Between the Anatomy of Roots and the Anatomy