Which of the following is an example of geographic isolation?
a. a group within a population that begins to mate only at night
b. a population that is divided by habitat fragmentation
c. a large percentage of a population that is killed by a natural
disaster
d. a group within a population that begins to mate at a different time
of year

B

Explanation:

This answer is the only one with something to do with geographical features.

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.