Chapter12StudyGuideEvolutionaryChange
1.Whatdoesdescentwithmodificationmean?
2.Howisallelefrequencycalculated?
3.Canevolutionoccurinindividuals?Whyorwhynot?
4.Dotheallelefrequenciesinpopulationschange?How?
5.Whatdothe“layers”offossilsrepresent?
6.WhyareDarwin’sfinchesimportanttothetheoryofevolution?
7.Whatismeantbyartificialselection?
8.Definenaturalselection.
9.Seetable12.1Whyaregeneticvariation,limitedresourcesandoverproductionof
offspringimportantwhenwethinkofnaturalselection?
10.Whatismeantbyunequalreproductivesuccess?
11.HowmuchgeneticsdidDarwinknow?
12.Whatismeantbyfitness?
13.Howcannaturalselectionfavordifferentphenotypesatdifferenttimes?
14.UnderstandtheHardy-Weinbergequilibrium.
15.WhatfiveconditionsarerequiredfortheHardy-Weinbergequilibrium?
16.Understandthedifferencebetweendirectional,disruptiveandstabilizingselection.
17.HowdoestheBowerbirdillustratesexualselection?
18.Definegeneticdrift.Howcanitoccur?Explainthreeways.
19.ReviewthemainpointsofthepaperReversalofevolutionarydownsizingcausedby
selectiveharvestoflargefish.
a.Howisfishing“ahuman-inducedsourceofselection”?
b.Whatlifehistorychangesareoccurringinfishpopulationsthathavebeenheavily
fishedalwayspickingthelargerfish?