If the membrane of a cell were no longer selectively permeable then "The cell would die as it would not be able to regulate which substances could enter and leave", since a selectively permeable membrane allows both things to enter and leave for the cell's survival.
A. Tree leaves
Explain: because giraffes are herbivores their diet mainly consists of leaves and plants.
I believe the correct answer is homeostasis.
Answer:
30 percent tree cover - 2000 - 2009JPEG ... of forest cover vary widely—as much as 6 percent of Earth's land area, or the equivalent area of China.
Explanation: