Study a little every day! 1. About how old is the earth? 2. About how old is life on earth?
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Chapter13StudyGuide Studyalittleeveryday! 1.Abouthowoldistheearth? EvidenceofEvolution 2.Abouthowoldislifeonearth? 3.Whatisa“fishapod’?(Tiktaalik)Diditliveonlandorwater?Wewatcheda videocalledHHMIInteractive“TheOriginofFour-leggedAnimals”. 4.Whatispaleontology? 5.Howisradiometricdatingoffossilsaccomplished? Whatisanisotope? Whatisthehalf-lifeofanisotope? Inafossilexcavation,wouldmoreCarbon14befounddeeporshallow? 6.Whatismeantbyhomologousstructures? 7.Whatisavestigialstructure? 8.Whatismeantbyananalogousstructure? 9.Whatcanhomologiesrevealaboutevolution? 10.Doesevolutionalwaysoccurtowardsincreasingcomplexity?
