The seedling's radicle is the origin of roots in a(n) _____ system.

A) adventitious root
B) lateral root
C) taproot
D) fine root
E) indigenous root

The radicle is the embryonic root found in seeds, from which the primary root, or taproot, develops. It is the first part of a seedling to emerge from the seed during the process of germination, leading to the development of the taproot system.