The answer is "Tolerance only for cold climates". Hope it helped!
Mitosis is a process of cell duplication during which one cell gives rise to two genetically identical daughter cells.
meiosis a division of germ cells involving 2 fussions of the nucleus and giving rise to four gamates, each possessing half the number of chromosomes of the origional cell.
Supply oxygen to cells for cellular respiration.
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (: