Long-stemmed, vinelike plants such as wisteria, clematis, and grape, work well with the ______ system.
A) Tip layering
B) Stool layering
C) Compound layering
D) Trench layering
Question 2
. In a process called ___________________, a plant leaf can adjust its angle of exposure to the sun.
Fill in the blank(s) with the appropriate word(s).
