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Life Sci 15 Midterm Phelan Exam Questions with 100% Correct Answers Verified Updated 2024.
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Life Sci 15 Midterm Phelan Exam Questions with 100% Correct Answers Verified Updated 2024.
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Life vSci v15 vMidterm vPhelan v vExam vQuestions vwith v100%vCorrect vAnswers vVerified v vUpdated v2024
What vis vscientific vthinking vfor vand vhow vdoes vit vwork? v- vAnswer v- v v vMake vobservations,
vformulate va vhypothesis, vmake va vprediction, vconduct van vexperiment, vdraw va vconclusion.
How vdoes va vhypothesis vdiffer vfrom va vtheory vor vprediction v- vAnswer v- v v v- va vprediction vonly
voffers va vguess vof vwhat vwill vhappen vin vthe vfuture
- va vtheory vis va vwidely vaccepted videa vthat vhas vserious vevidence vbehind vit, vbacking vit vup; vex:
vtheory vof vevolution
- va vhypothesis vis va vproposed vexplanation vfor vobserved vphenomena
- va vhypothesis vmust vgenerate vtestable vpredictions
- vtheories vare vgenerally vbroader vthan vhypotheses. vA vprediction vis vgoing vto vbe vsomething vthat
vcomes vfrom vyour vhypothesis, va vhypothesis vis vproposed vexplanation, vtested vand vsupported
vhypothesis vis va vtheory
What vdoes vit vmean vto vcontrol van vexperiment? v- vAnswer v- v v v- vmake vsure vthere vare vno
vunderlying vdifferenced vbetween vthe vexperimental vgroups
- vchange vonly vONE vvariable vat va vtime
- vtreat vall vsubject vthe vsame vexcept vfor vthe vone vdeviation vwhich vwould vnot vget vthe vtreatment
vand vbe vthe vcontrol vgroup v
Ex. vThe vsleep vstudy vto vsee vwho vgot vsick veasier, vthere vmight vbe vsomething vthere vbut vif vit vis
vnot vcontrolled vthere vmay vbe vother vthings vthere
Compare vand vcontrast vsuperstitions, vanecdotal vobservations, vand vpseudoscience? v- vAnswer v- v v v-
vpseudoscience: vwhen vindividuals vmake vscientific vsounding vclaims vthat vare vNOT vsupported vby
, vtrustworthy, vmethodical, vscientific vstudiesex: v"9 vout vof v10 vdoctor vrecommend vbrand vX"How
vmany vdoctors vwere vthere? vHow vwere vthey vselected? vWhat vwas vthe valternative vto vbrand vX?
- vanecdotal vobservations: vbased von v1 vor v2 v(or va vfew) vobservations, vpeople vconclude vthere vis vor
vis vnot va vlink vbetween v2 vthings
- vsuperstition: vbelief vin vthe vsupernatural vto vexplain vphenomena vin vthe vnatural vworld; vusually
varises vfrom va vmisunderstanding vof vscience
Will vmore vand vmore vobservations vsupporting va vhypothesis vprove vit vto vbe vtrue? vIf vnot vwhat
vhappens? v- vAnswer v- v v vMore vand vmore vobservations vwill vnot vprove va vhypothesis vtrue, vit vwill
vonly vincrease vsupport vfor vthe vhypothesis. vIt vcan vbe vproven vfalse vwith vany vcontradicting
vevidence.
What vis vevolution vhow vcan vit voccur? vGive van vexample. v- vAnswer v- v v vA vchange vin vallele
vfrequencies vwithin va vpopulation.
Occurs vthrough vmutation, vmigration, vgenetic vdrift, vand vnatural vselection. v
Ex: vbirthweight vin vbabies, vturkey vbreast vmuscle vsize vdue vto vthe vartificial vselection vthey vcannot
vmate, vfur vcolor vthat vblends vinto vthe vbackground,.
What vis vnatural vselection, vhow vdoes vit vwork? vGive van vexample. v- vAnswer v- v v v- vnatural vselection
vis vthe vnon-random velimination vof valleles
- v3 vconditions vthat vNEED vto vbe vsatisfied: vvariation, vheritability, vdifferential vreproductive vsuccess
Ex: vgiraffe vnecks
What videas vand vobservations vinfluenced vDarwin? v- vAnswer v- v v vFinch vvariation:
- veach visland vhad vunique vspecies
- visland vspecies vresembled vmainland vspecies
- vmaybe vthey vused vto vbe vthe vsame vspecies?
Similarities vbetween vfossils vof vextinct vspecies vand vthe vliving vspecies vin van varea:
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