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?

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Which of the following is the function of the nociceptors? a. detecting odors in the nose b. detecting painful stimuli c. detecting central body temperature d. detecting touch and pressure