Chapter 21.2 Review 1. Describe the characteristics of the kingdoms of prokaryotes?

2. In what ways do prokaryotes differ from one another?

3. List three ecological roles of prokaryotes.

4. What are two ways that bacteria cause disease?

5. Why are emerging diseases of particular concert?

6. Apply Scientific Reasoning You think you might have a bacterial infection. Would you Ask for a vaccination against the bacteria? Why or Why not?

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.