WGU C190 INTRO TO BIOLOGY - UNIT 1
EXA WITH THE CORRECT ANSWERS
ONLY
Abiotic v- v vcorrect vanswer- v vNon-living, vmay vbe vwithin vor vmade vby va vliving
vorganism.
Biotic v- v vcorrect vanswer- v vLiving. vMatter vis vconsidered v______ vif vit vwas vever valive
vat vsome vpoint vin vtime
Atom v- v vcorrect vanswer- v vSmallest vlevel. vThe vbasic vunit vof vmatter. vConsists vof va
vdense vnucleus vsurrounded vby velectrons.
Molecule v- v vcorrect vanswer- v vSecond vlevel. vA vchemical vstructure vconsisting vof vat
vleast vtwo vatoms vheld vtogether vby va vchemical vbond.
Macromolecule v- v vcorrect vanswer- v vThird vlevel. vBiologically vimportant vmolecules
vthat vare vtechnically vpolymers. vExample: vDNA.
Cell v- v vcorrect vanswer- v vFourth vlevel. vThe vfundamental vunit vof vlife. vEssentially va
vtiny vdroplet vof vwater vand vother vmolecules venclosed vby va vfluid v"skin" vor
vmembrane. vThe vsmallest vand vsimplest ventity vthat vpossesses vall vthe vcharacteristics
vof vlife.
EXA WITH THE CORRECT ANSWERS
ONLY
Abiotic v- v vcorrect vanswer- v vNon-living, vmay vbe vwithin vor vmade vby va vliving
vorganism.
Biotic v- v vcorrect vanswer- v vLiving. vMatter vis vconsidered v______ vif vit vwas vever valive
vat vsome vpoint vin vtime
Atom v- v vcorrect vanswer- v vSmallest vlevel. vThe vbasic vunit vof vmatter. vConsists vof va
vdense vnucleus vsurrounded vby velectrons.
Molecule v- v vcorrect vanswer- v vSecond vlevel. vA vchemical vstructure vconsisting vof vat
vleast vtwo vatoms vheld vtogether vby va vchemical vbond.
Macromolecule v- v vcorrect vanswer- v vThird vlevel. vBiologically vimportant vmolecules
vthat vare vtechnically vpolymers. vExample: vDNA.
Cell v- v vcorrect vanswer- v vFourth vlevel. vThe vfundamental vunit vof vlife. vEssentially va
vtiny vdroplet vof vwater vand vother vmolecules venclosed vby va vfluid v"skin" vor
vmembrane. vThe vsmallest vand vsimplest ventity vthat vpossesses vall vthe vcharacteristics
vof vlife.
