Xylem transports water and solutes from the roots to the leaves, while phloem transports food from the leaves to the rest of the plant. Transpiration is the process by which water evaporates from the leaves, which results in more water being drawn up from the roots.
Definition of hyper. 1  1 : high-strung, excitable; also : highly excited was a little hyper after drinking too much coffee. 2  2 : extremely active hyper children.
noun, Slang. 1. a usually young person who is trendy, stylish, or progressive in an unconventional way; someone who is hip. 2. a person, especially during the 1950s and 1960s, characterized by a particularly strong sense of alienation from most established social activities and relationships; a beatnik or hippie.