Question

What is a modified stem?

A stem that grows underground.

A stem that does not produce leaves.

A stem that bends back toward the ground.

A stem that grows bark.

Answer 1

A rhizome is a modified stem that grows horizontally underground and has nodes and internodes. Vertical shoots may arise from the buds on the rhizome of some plants, such as ginger and ferns. Corms are similar to rhizomes, except they are more rounded and fleshy (such as in gladiolus).

Step-by-step explanation:

more simple, a stem that grows underground :)