Question 1 (Multiple Choice Worth 7 points) (03.01 MC)
The diagram below shows the layers of a rock having an ammonite:
Rock
Organism Key
Armonie
口六
Which statement about the rock fossils is true?
O Fossil Y is older than fossil X
O Fossil Z is younger than fossil Y.
Fossil Z existed over many periods of time.
Fossil Y existed during the same period as the ammonite.

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.