As trees get larger and the number of leaves increases, transpiration rates rise and demand for water increases. how do mature plant stems meet this added demand for water?

cells of secondary phloem adjacent to the vascular cambium differentiate into xylem cells.

vascular cambium continues to divide, and cells of its inner surface differentiate to form additional secondary xylem cells.

cells of the xylem continue to divide and produce more cells that transport water.

cells present in the pith closest to the xylem differentiate into xylem cells.

Vascular cambium continues to divide, and cells of its inner surface differentiate to form additional secondary xylem cells.

the answer is; comparing the frequency of collisions with and without the device

this makes the anti-collision system an independent variable and the collisions a dependent variable. if there are fewer collisions with an anti-collision system that without, then it can be stated that the system is a success. essentially, collisions under an anti-collision system are compared with the frequency of collisions by cars with the human drivers.

b. heterotroph

explanation: