Thus, Cactus survive with the help of its "green stems" and "transpiration".
I believe it is B i took this test last year.
The theory of evolution would be the correct answer.
I hoped this helped!
Cells divide for many reasons. For example, when you skin your knee, cells divide to replace old, dead, or damaged cells. ... When organisms grow, it isn't because cells are getting larger. Organisms grow because cells are dividing to produce more and more cells.