Chapter 22 – The Origin of Species
63. Courtship for Anolis lizards involves the male displaying a dewlap (skin under the throat
area) that varies in appearance based upon the species. Lizards that are found in darker, more
shaded environments will have dewlaps that are lighter in color because they are more
noticeable by potential mates. Which of the following mechanisms best explains how
speciation is at work in this example?
Clarify Question
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What is the key concept addressed by the question?
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What type of thinking is required?
Gather Content/Choose Answer
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What do you already know about speciation? What other information is related to the
question?
Reflect on Process
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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?