Lizard Evolution Virtual Lab Introduction Educators Help Save/ Question 4 of 6 T

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Lizard Evolution Virtual Lab Introduction Educators Help Save/ Question 4 of 6 The population of Anolis cristatellus that you analyzed lives in a shady, forest environment and A. cooki in an open, sunny environment. Are the results you obtained consistent with what Dr. Losos describes? A. No, there was not much difference in the two dewlap colors. B. Yes, Anolis cristatellus has a brighter dewlap that's easier to see in a shady environment. C. Yes, Anolis cooki has a brighter dewlap that blends in better with a sunny environment. D. No, Anolis cooki has a darker dewlap that does not blend in well in a dark environment. Open the reference graph in a new window 4: Dewlap Colors

Explanation / Answer

Answer - B. Yes, Anolis cristatellus has a brighter dewlap that easier to see in a shady environment.

The anolis cristatellus has a brighter dewlap and the anolis cooki has a darker dewlap. Their dewlap contrasts the brightness of their environment, most likely because it stands out more and attracts more female anoles.

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