The taxon shown here with the greatest number of
named species is
a. vertebrates.
b. insects.
c. mollusks.
d. plants.
e. fungi.
Answer: b
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A gel electrophoresis is performed, but when the gel imager is used, no bands appear. The researcher might have forgotten to:
_____ add electric current. _____ add antibody. _____ ligate the DNA fragments together. _____ include DNA dye. _____ include an RNA probe. 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 gel electrophoresis? 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?
The life history of an organism takes into account:
A. whether the organism is an r-strategist or K-strategist. B. what type of survivorship curve the organism demonstrates. C. the resource trade-offs that the organism makes during its lifetime. D. the age structure of the organism's local population. E. the evolutionary history (i.e., ancestors) of the organism.
When a few members of a species migrate to a new location and evolve into a separate species, this is known as which of the following?
a. vicariance b. dispersal c. sympatric speciation d. convergent speciation
All protists are unicellular organisms.
Answer the following statement true (T) or false (F)