Answer:
<em>the</em><em> </em><em>root</em><em> </em>
Explanation:
they hold water n they transport food
It is surrounded by it's environment.
Answer:
these differentiate as a result of signaling mechanisms. ... The daughter cells divides and after each division it becomes more specialized. When it reaches a mature cell type downstream (for example, becomes a red blood cell) it will no longer divide.
3 is the correct answer. Let me know if you want me to explain why that is the answer.