Fossils may be
A. Formed when plant resin or tar preserves the specimen
B. Formed as organic matter is replaced by minerals, turning to stone
C. From impressions left after an organism decays
D. Casts from footprints that have filled with mud and then turned to stone
E. All answers are correct
E. All answers are correct
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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?
In which year other than 2011 did the conditions not seem conducive to a rapid growth rate?
a. 2009 b. 2010 c. 2011 d. 2012
A pine seed is composed primarily of
a. the embryo. b. female gametophyte. c. seed coats. d. the embryo and seed coats. e. the embryo, seed coats, and female gametophyte
Which describes an African butterfly species that exists in two strikingly different color patterns?
A) artificial selection B) directional selection C) stabilizing selection D) disruptive selection E) sexual selection