Question 7 • FL-2000310-Biology 1 Sem 2
Answer:
Xylem is a vascular tissue made of long, hollow cells that join to form continuous tubes. The cells have thick, lignin-reinforced walls, and most mature vessel cells lack end walls. This structure allows water and dissolved minerals to flow efficiently from the roots to the leaves while preventing the tubes from collapsing under the tension created as water moves upward. The thick walls also help support the plant.