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BIO 182 EXAM 2 STHULTZ QUESTIONS WITH CORRECT ANSWERS ALREADY GRADED A.
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BIO 182 EXAM 2 STHULTZ QUESTIONS WITH CORRECT ANSWERS ALREADY GRADED A.
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BIO 182 EXAM 2 STHULTZ QUESTIONSWITH CORRECT ANSWERS ALREADY
GRADED A+
What ggis ggsystematics? gg- ggAnswer ggStudy ggof ggbiological ggdiversity ggand ggthe
ggevolutionary ggrelationships ggamong ggorganisms, ggboth ggextinct ggand ggmodern
What ggis ggTaxonomy? gg- ggAnswer ggScience ggof ggdescribing, ggnaming, ggand
ggclassifying ggliving ggand ggextinct ggorganisms ggand ggviruses
What ggare ggthe gg8 ggcategories ggof ggtaxonomic gghierarchy gg(in ggorder ggfrom ggspecies
ggupward ggto ggbroader ggclassifications)? gg- ggAnswer ggSpecies, ggGenus, ggFamily,
ggOrder, ggClass, ggPhylum, ggKingdom, ggDomain
Who ggis ggthe ggscientist ggthat ggproposed ggthe ggcurrent ggtwo-part ggnaming ggsystem
ggfor ggeach ggspecies? gg- ggAnswer ggCarolus ggLinnaeus
What ggare ggthe ggtwo ggparts ggof ggany ggLatinized ggbinomial ggname? gg- ggAnswer
ggGenus ggspecies
What ggis gga ggphylogenetic ggtree ggand ggwhat ggis ggit ggused ggfor gg(or ggwhat ggis
ggphylogeny)? gg- ggAnswer gg-evolutionary gghistory ggof gga ggspecies ggor gggroup ggof
ggspecies
-To ggpropose gga ggphylogeny, ggbiologists gguse ggthe ggtools ggof ggsystematics
What ggare ggthe ggtwo ggways gga ggnew ggspecies ggcan ggbe ggformed? gg- ggAnswer gg-
Anagenesis gg- ggsingle ggspecies ggevolves gginto gga ggdifferent ggspecies
-Cladogenesis gg- gga ggspecies ggdiverges gginto ggtwo ggor ggmore ggspecies
What ggis ggHomology? gg- ggAnswer ggSimilarities ggamong ggvarious ggspecies ggthat
ggoccur ggbecause ggthey ggare ggderived ggfrom gga ggcommon ggancestor
What ggdoes ggcladistics ggcompare? gg- ggAnswer ggStudy ggand ggclassification ggof
ggspecies ggbased ggon ggevolutionary ggrelationships
-considering ggthe ggvarious ggpossible ggpathways ggof ggchanges ggand ggthen ggchoosing
ggthe ggtree ggthat ggrequires ggthe ggleast ggcomplex ggexplanation
, What ggis ggthe ggdifference ggbetween gga ggprimitive ggcharacter ggand gga ggderived
ggcharacter? gg- ggAnswer gg-Primitive: ggShared ggby ggtwo ggor ggmore ggdifferent ggtaxa
ggand gginherited ggfrom ggancestors ggolder ggthan ggtheir gglast ggcommon ggancestor
-Derived: ggShared ggby ggtwo ggor ggmore ggspecies ggor ggtaxa ggand gghas ggoriginated ggin
ggtheir ggmost ggrecent ggcommon ggancestor
Be ggable ggto ggexplain ggand ggput ggin gga ggtime ggframe ggsome ggof ggthe ggmajor
ggepisodes ggin ggthe gghistory ggof gglife ggon ggearth. gg(The ggclock gganalogy) gg- ggAnswer
gg-13.7 ggbya gg- ggUniverse ggbegan ggwith ggthe ggBig ggBang
-4.6 ggbya gg-- ggOur ggsolar ggsystem ggbegan
-The ggEarth ggis gg4.55 ggbillion ggyears ggold
-4 ggbya gg- ggEarth gghad ggcooled ggenough ggfor ggouter gglayers ggto ggsolidify ggand
ggoceans ggto ggform
-between gg4 ggand gg3.5 ggbya gg- ggLife ggemerged
What ggorganisms, ggand ggprocess ggthey ggperform, ggwould ggbe ggresponsible ggfor ggthe
ggaccumulation ggof ggatmospheric ggoxygen ggabout gg2.8 ggbillion ggyears ggago? gg-
ggAnswer ggProkaryotes
What ggare ggprotists? gg- ggAnswer ggeukaryotes ggthat ggare ggnot ggfungi, gganimals, ggor
ggplants,
mostly ggunicellular, ggand
ancestral ggto ggall ggother ggeukaryotes.
Explain ggthe ggtwo-stage gghypothesis ggfor ggthe ggorigin ggof ggEukaryotic ggcells, ggand
ggbe ggable ggto ggdefine ggendosymbiosis. gg- ggAnswer ggSymbiosis ggis gga ggmore
gggeneral ggassociation ggbetween ggorganisms ggof ggtwo ggor ggmore ggspecies
-Endosymbiosis: ggrefers ggto ggone ggspecies ggliving gginside gganother gghost ggspecies
ggand
is ggthe ggprocess ggby ggwhich ggeukaryotes gggained ggmitochondria ggand ggchloroplasts.
Understand gghow ggprotists ggcan ggbe ggseen ggas ggthe gglink ggbetween ggunicellular
ggand ggmulticellular gglife. gg- ggAnswer gg-An ggancestral ggcolony ggmay gghave ggformed
ggwhen gga ggcell ggdivided ggand ggremained ggattached ggto ggoffspring
-Cells ggin ggthe ggcolony ggmay gghave ggbecome ggspecialized ggand gginterdependent
-Additional ggspecialization ggmay gghave ggled ggto ggsex ggcells ggand ggnonereproductive
ggcells
What ggis ggthe ggfossil ggrecord? gg- ggAnswer ggPreserved ggremains ggof ggpast gglife ggon
ggEarth
Be ggable ggto ggexplain ggradioisotope ggdating gg& gghalf-life. gg- ggAnswer gg-Fossils ggcan
ggbe ggdated ggusing ggelemental ggisotopes ggin ggaccompanying ggrock
-Half-life gg- gglength ggof ggtime ggrequired ggfor ggexactly ggone-half ggof ggoriginal ggisotope
ggto ggdecay
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