When phenotypes are favored at one extreme of a normal distribution, __________ selection occurs
a. stabilizing
b. directional
c. disruptive
d. frequency-dependent
e. abnormal
B
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During which stage of cellular respiration is the majority of the ATP produced?
A. Electron transport chain B. Fermentation C. Citric acid cycle D. Glycolysis
A patient who requires repeated dosing with strong analgesics over a period of more than a few days might be prescribed which of the following secondary plant metabolites?
A. Genistein B. Morphine C. Quinine D. Taxol E. Cyanogenic glycosides Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about a secondary plant metabolite that can be used as a pain reliever? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? 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?
What characteristic separates the two kinds of land plants?
a. The thickness and composition of their cell walls b. The form and shape of their leaves c. Their root structures d. The presence of vascular tissue
What is the inclusive fitness theory of how altruism evolved?
1.The benefit of living in groups outweighed the disadvantages for altruistic species. 2.Altruism was selected for when it increased the reproductive success of the closest relatives. 3.Species with a high rate of infertility tended to evolve altruism to help increase reproductive success. 4.Altruism evolved to help diversify the genetic pool of a social animal group.