WarmUp(1/30-1/31)1.  Takeoutyourdichotomouskey

2.  Tradewiththepersonnexttoyou3.  Reviewtheirkeysandletthemknowif

thereareanylastminutechangestheyneedtomakebeforeyouturnthemin!

Agenda

• Warmup-Sharedichotomouskeys•  Chapter17Notes:OrganizingLife’sDiversity•  Cladogramactivity

Homework:FinishcladogramquestionsonGoogleClassroom

Chapter17:OrganizingLife’sDiversity

Classification&Taxonomy•  Classification:groupingofobjectsorinformationbasedonsimilarities.•  Taxonomy:branchofbiologythatgroupsandnamesorganismsbasedonstudiesoftheirdifferentcharacteristics.

BinomialnomenclatureTwo-wordsystemUsesgenusandspecificepithetexamples: *Whylatin?

– Homosapiens(human)– Lynxrufus(bobcat)– Escherichiacoli(bacteriathatyouhearaboutonlettucerecalls)

Groupofsimilarspecies

Oftendescribescharacteristicoforganism

Taxonomicrankings

https://youtu.be/DVouQRAKxYo

DomainKingdomPhylumClassOrderFamilyGenusSpecies

Taxa–MnemonicDeviceDomainKingdomPhylumClassOrderFamilyGenusSpecies

DidKingPhillipCallOnFiveGoodSoldiers?

DumbKidsPlayingCardsOnFreewayGetSmashed

MnemonicDeviceDomainKingdomPhylumClassOrderFamilyGenusSpecies

3minutes!Createyourown&sharewithclass

Life’sSixKingdoms•  Eubacteria•  Archaebacteria•  Protists•  Fungi•  Plants•  Animals

https://youtu.be/aH5ST8gmSCU

CladogramModelofthephylogenyofaspecies

Theevolutionaryhistoryofaspecies

Howareevolutionaryrelationshipsdetermined?

•  Structuralsimilarities•  Breedingbehavior• Geographicaldistribution•  Chromosomecomparison•  Biochemistry