Habitat loss, natural catastrophes, and/or excessive harvesting of a species often result in
A) increased gene flow.
B) increased fitness of individuals.
C) increased mutation rates.
D) artificial selection.
E) population bottlenecks.
E
You might also like to view...
A certain wastewater treatment plant uses aerobic bacteria, anaerobic bacteria, and archaebacteria during secondary treatment of sewage. Unfortunately, during a bad blizzard the aerated tanks froze, killing the microbes inside. What is likely to result?
A. Floc levels will diminish. B. Methane production will go down. C. Solid material will not be effectively filtered out. D. Floc will not be effectively filtered out. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about wastewater treatment with bacteria? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
One generalization of the cell theory is that
a. all cells have a nucleus. b. all cells have cell walls. c. the cell is the smallest unit that displays the properties of life. d. cells can arise from nonliving matter. e. all cells are microscopic
Which of the following hormones suppresses the immune response?
A) FSH B) LH C) ACTH D) Cortisol
Microbial hyaluronidase, coagulase, and streptokinase are examples of
A. antiphagocytic factors. B. exoenzymes. C. exotoxins. D. adhesive factors. E. hemolysins.