Its called adaption when an animal changes itself to be able to survive
Answer:
The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.
<h2>Hope it helps you.</h2>
It is false <span>no they are not interchangeable</span>
the answer is true not false i think