Campbell Biology (10th Edition)
Campbell Biology (10th Edition)
10th Edition
ISBN: 9780321775658
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 30.3, Problem 3CC

WHAT IF? Ø Do speciation rates in closely related clades of flowering plants show that flower shape is correlated with the rate at which new species form or that flower shape is responsible for this rate? Explain.

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Clausen and colleagues proposed two hypotheses to explain this variation within a species: (1) There are genetic differences between populations of plants found at different elevations. (2) The species has developmental flexibility and can assume tall or short growth forms, depending on local abiotic factors. If you had seeds from yarrow plants found at low and high elevations, what experiments would you perform to test these hypotheses? Select the three experiments.
What data would suggest that a species evolutionary history includes sexual selection as a mechanism that helped shape the species?     If males and females are significantly different from each other (sexual dimporphism)     If males and females form different social groups (i.e. herds are formed from either males or females but not both)     If some males reproduce with multiple females while other males do not reproduce     If males engage in "risky" behavior
Would you predict that the Pingelapesepopulation is in Hardy-Weinberg equilibrium? How would you measure this?
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