Inspect Figure 25.6 and then order the carbon reservoirs in the list below from smallest to largest
a. atmosphere
b. terrestrial vegetation
c. surface water
d. deep ocean
e. organic matter in soil
f. sedimentary rock
What will be an ideal response?
b < a < c < e < d < f
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The process by which the base sequence of all or a portion of a DNA molecule is used to direct the synthesis of an RNA molecule is called ________.
A. replication B. reverse transcription C. transcription D. translation
In a 32-cell stage tunicate embryo, vegetal marginal cells that lack functional genes for both macho-1 and the FGF receptor would develop as what cell type?
A. mesenchyme B. muscle C. notochord D. nerve cord 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 FGF induction? Consider Possibilities · Consider the different answer options. Which can you rule out? 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 captivity, tigers and lions have been known to interbreed and produce hybrids, known as ligers. Why does this NOT make them the same species, according to the biological species concept?
a) the production of ligers is a pre-zygotic species barrier b) producing hybrids in captivity is not a form of interbreeding c) tigers and lions are at the opposite end of a species ring d) captivity is not a natural condition e) tigers and lions are, in fact, considered the same species under the biological species concept
A person with type B blood can receive a transfusion of either type O blood or type AB blood.
a. True b. False