IB 150 LEARNING TARGETS EXAM 1 QUESTIONS AND COR
1A. cDefine cand cbe cable cto cwrite ca chypothesis cas ca cstatement cthat creflects ca cpotential cexplan
cquestion. c- cCORRECT cANS✔✔Hypothesis: ca csupposition cor cproposed cexplanation cmade con c
cas ca cstarting cpoint cfor cfurther cinvestigation.
1C. cDifferentiate cbetween cindependent cand cdependent cvariables, cand cuse cthem cappropriately
cconcrete cresults cyou cwould cexpect, cif cthe chypothesis cis ccorrect. c- cCORRECT cANS✔✔Indepe
cis cchanged cor ccontrolled cin ca cscientific cexperiment cto ctest cthe ceffects con cthe cdependent cvari
Dependent cvariable: ca cvariable cbeing ctested cand cmeasured cin ca cscientific cexperiment
1F. cIdentify cthe croles cand cutility cof ccontrol ctreatments, creplication cof ctreatments, cand csample c
cCORRECT cANS✔✔Control ctreatments: cbaseline cfor cmeasure, cidentical cto call cthe cother citems/
cexamining cwith cthe cexception cthat cit cdoes cnot creceive cthe ctreatment cor cexperimental cmanipul
Replication cof ctreatments: crepetition cof cthe cset cof call cthe ctreatment ccombos cto cbe ccompared c
Sample csize: cnumber cof cunits cin ca cpopulation cto cbe cstudied
2A. cList cthe cfive ccharacteristics call corganisms con cearth cshare. c- cCORRECT cANS✔✔1. cgrow ca
2. creact cto cenvironment
3. cmaintain chighly cordered cinternal cstates cvia chomeostasis
4. cevolve
5. cUSE cENERGY cTO cDO cWORK
2B. cExplain cwhy cthe cfirst cfour care crequired cfor clife. c- cCORRECT cANS✔✔1. cOrganisms crequir
creproduce
2. cAll corganisms care cmade cof ccells. cThe cchemical creactions cthat csustain clife ctake cplace cinsid
3. cCells ccontain cgenetic cinformation cthat cencodes cfor can corganism cto cbe calive. c
4. cOrganisms calso cmust crespond cto cinformation cfrom cthe cenvironment cand cadjust cto cmaintain
5. cCells cmust creplicate cduring cmeiosis cto censure cthat call corganisms ccontain cthe ccorrect cnumb
2C. cUnderstand chow cthe cability cto cperform cwork cis crelated cto cbeing calive. c- cCORRECT cANS✔
cto cconstantly cdo cwork cin corder cfor cit cto cstay cout cof cchemical cequilibrium--once cthe ccell creach
cthe coutside cworld, cit's cconsidered cdead. cOur cbody cwants cto cbe cin cequilibirum; cequilibrium c= c
cdone--->to ckeep cour cbody cout cof cequilibrium. cEndergonic creactions care cvital cto clife: cmaintaini
1A. cDefine cand cbe cable cto cwrite ca chypothesis cas ca cstatement cthat creflects ca cpotential cexplan
cquestion. c- cCORRECT cANS✔✔Hypothesis: ca csupposition cor cproposed cexplanation cmade con c
cas ca cstarting cpoint cfor cfurther cinvestigation.
1C. cDifferentiate cbetween cindependent cand cdependent cvariables, cand cuse cthem cappropriately
cconcrete cresults cyou cwould cexpect, cif cthe chypothesis cis ccorrect. c- cCORRECT cANS✔✔Indepe
cis cchanged cor ccontrolled cin ca cscientific cexperiment cto ctest cthe ceffects con cthe cdependent cvari
Dependent cvariable: ca cvariable cbeing ctested cand cmeasured cin ca cscientific cexperiment
1F. cIdentify cthe croles cand cutility cof ccontrol ctreatments, creplication cof ctreatments, cand csample c
cCORRECT cANS✔✔Control ctreatments: cbaseline cfor cmeasure, cidentical cto call cthe cother citems/
cexamining cwith cthe cexception cthat cit cdoes cnot creceive cthe ctreatment cor cexperimental cmanipul
Replication cof ctreatments: crepetition cof cthe cset cof call cthe ctreatment ccombos cto cbe ccompared c
Sample csize: cnumber cof cunits cin ca cpopulation cto cbe cstudied
2A. cList cthe cfive ccharacteristics call corganisms con cearth cshare. c- cCORRECT cANS✔✔1. cgrow ca
2. creact cto cenvironment
3. cmaintain chighly cordered cinternal cstates cvia chomeostasis
4. cevolve
5. cUSE cENERGY cTO cDO cWORK
2B. cExplain cwhy cthe cfirst cfour care crequired cfor clife. c- cCORRECT cANS✔✔1. cOrganisms crequir
creproduce
2. cAll corganisms care cmade cof ccells. cThe cchemical creactions cthat csustain clife ctake cplace cinsid
3. cCells ccontain cgenetic cinformation cthat cencodes cfor can corganism cto cbe calive. c
4. cOrganisms calso cmust crespond cto cinformation cfrom cthe cenvironment cand cadjust cto cmaintain
5. cCells cmust creplicate cduring cmeiosis cto censure cthat call corganisms ccontain cthe ccorrect cnumb
2C. cUnderstand chow cthe cability cto cperform cwork cis crelated cto cbeing calive. c- cCORRECT cANS✔
cto cconstantly cdo cwork cin corder cfor cit cto cstay cout cof cchemical cequilibrium--once cthe ccell creach
cthe coutside cworld, cit's cconsidered cdead. cOur cbody cwants cto cbe cin cequilibirum; cequilibrium c= c
cdone--->to ckeep cour cbody cout cof cequilibrium. cEndergonic creactions care cvital cto clife: cmaintaini
