Answer the short answer questions
 
Why and how does water enter continuously into the root xylem?
 
a. The root contains root hairs with ________ walls.
 
b. The water reaches the roots through a process known as ________.
 
c. Water flows continuously into the root xylem from the __________.
 
d. Root hair cells actively take up ions from the soil to maintain the ______.
 
e. The ion concentration increases inside the root; thus, _______________, which occurs continuously.