The vascular bundles in eudicot stems separate the ground tissue into two zones. Which sequence correctly describes the arrangement of those zones from the outside to the center?
a. epidermis ? vascular bundle ? pith ? cortex
b. pith ? vascular bundle ? cortex ? epidermis
c. epidermis ? cortex ? vascular bundle ? pith
d. epidermis ? vascular bundle ? cortex ? pith
e. cortex ? epidermis ? vascular bundle ? pith
c
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