The presence of more than two alternative forms of a given gene would be called

i think its the first one

cell division is not regulated in tumor cells.

homeostasis is the tendency towards a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. and this is how it applies to the integumentary system. back to top. skin functions in homeostasis include protection, regulation of body temperature, sensory reception, water balance, synthesis of vitamins and hormones, and absorption of materials. when body temperature falls, the sweat glands constrict and sweat production decreases.

the answer is 100% density i've answered this question before and done the quiz myself.