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EXAM 1 NOTES (scored 92%)

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Department
Biological Sciences
Course
BIOL 1001
Professor
All Professors
Semester
Winter

Description
Chapter 1 an introduction to life on EarthBiologyThescienceoflivingorganismsandlifeprocessesCharacteristicsoflife1Complexorganizedstructure2ResponsetostimuliAchangeoutsideorinsideleadstoanotherchange3HomeostasisTheabilitytomaintainthestructureandregulatetheinternalenvironmentmaintainingastableinternaltempFailureresultstodisease4AbilitytoacquirematerialandenergyThematerialandenergyareoftentransformedAlllivingthingsneedfoodandwater5Growth6ReproductioneithersexualorasexualDNAisgeneticinformationtheblueprintfortheoffspring7AbilitytoevolvetochangetofittheenvironmentLeadstoextinction1ThecomplexityoflifeisbuiltinlevelsEachlevelhasingredientsorcomponentswhichinteractEmergentPropertiesputtingpropertiestogetherExampleSodiumsolidmetalChlorinepoisonousgasTogetheryougettablesaltComplexSpecificBiospherethatpartofearthinhabitedbylivingorganismsincludinglivingandnonlivingcomponentsEcosystemacommunitytogetherwithitsnonlivingsurroundingsCommunitytwoormorepopulationsofdifferentspecieslivingandinteractinginthesameareaSpeciesverysimilarpotentiallyinterbreedingorganismsPopulationmembersofonespeciesinhabitingthesameareaMulticellular organismsorgan systemorgantissuecell OrganelleMoleculeatomsubatomic particle CellsmallestunitoflifenothingelseisalivebelowitAtomsmallestpartofanelementthatstillremainsthepropertiesofthatelementTest QuestionIfyouputaplantinyourwindowthestemwillleaninthedirectionofthesunThisisanexampleofwhichcharacteristicoflifeALivingthingsareorganizedBLivingthingsrespondtostimuliCLivingthingsmaintainhomeostasisDLivingthingsneedenergy2ResponsetostimuliOrganismsreacttoexternalandinternalstimuliSomereactionsareslowandcannotbeseenTest QuestionOurbodyworkstokeepourtemperatureatabout986thisisanexampleofwhichcharacteristicoflivingthingsALivingthingsareorganizedBLivingthingsrespondtostimuliCLivingthingsmaintainhomeostasisDLivingthingsneedenergy3HomeostasisTheabilitytomaintainthestructureandregulatestheinternalenvironmentInordertostayaliveandfunctionorganismsmustkeeptheconditionswithintheirbodiesfairlyconstant4AbilitytoacquirematerialandenergyThematerialandenergyareoftentransformedEnergyisusetomaintainahighlevelofcomplexityandorganizationtogrowAndtoreproduceOrganismscantakeinnutrientsfoodforrawmaterialsandenergythesearecalledheterotrophsOrtheycanusesunlightforenergyphotosynthesistoproduceenergyrichsugarmoleculesautotrophstest questionthewordheterotrophmeansotherfeederoraabletophotosynthesizebabletomakeitsownfoodcmustrelyonotherorganismsforenergydmakeitsownenergymetabolismchangestherawmaterialandenergyintotheformswhichareneededtomaintenancegrowthreproductionetcmetabolismisbasicallythesumtotalofallofthechemicalreactionsthatoccurwithinanorganisms6ThegeneticinformationforhowtobuildanoffspringisstoredintheDNAofthe
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