The answer to your question is homeostasis
Answer : 30 Chromosomes
Explanation : At the end of mitosis, the two daughter cells will be exact copies of the original cell. Each daughter cell will have 30 chromosomes. At the end of meiosis II, each cell would have half the original number of chromosomes, that is, 15 chromosomes.
Hope this helps you !!!!!
The answer is B: contains mostly cellulose; forms the outer layer of animal cells
I believe one way is natural selection. Hope I helped!