transition pack for a level biology - the consortium

25
This resource is strictly for the use of member schools for as long as they remain members of The PiXL Club. It may not be copied, sold nor transferred to a third party or used by the school after membership ceases. Until such time it may be freely used within the member school. All opinions and contributions are those of the authors. The contents of this resource are not connected with nor endorsed by any other company, organisation or institution. www.pixl.org.uk The PiXL Club Ltd, Company number 07321607 Transition Pack for A Level Biology Get ready for A-level! A guide to help you get ready for A-level Biology, including everything from topic guides to days out and online learning courses. Commissioned by The PiXL Club Ltd. April 2018 © Copyright The PiXL Club Ltd, 2018 Please note: these resources are non-board specific. Please direct your students to the specifics of where this knowledge and skills most apply.

Upload: others

Post on 14-Mar-2022

9 views

Category:

Documents


0 download

TRANSCRIPT

This resource is strictly for the use of member schools for as long as they remain members of The PiXL Club. It may not be copied, sold nor transferred to a third party or used by the school after membership ceases. Until such time it may be freely used within the member school.

All opinions and contributions are those of the authors. The contents of this resource are not connected with nor endorsed by any other company, organisation or institution. www.pixl.org.uk ThePiXLClubLtd,Companynumber07321607

Transition Pack for A Level Biology

GetreadyforA-level!AguidetohelpyougetreadyforA-levelBiology,includingeverythingfromtopicguidestodaysout

andonlinelearningcourses.

Commissioned by The PiXL Club Ltd. April 2018

© Copyright The PiXL Club Ltd, 2018

Pleasenote:theseresourcesarenon-boardspecific.Pleasedirectyourstudentstothespecificsofwherethisknowledgeandskillsmostapply.

© Copyright The PiXL Club Ltd, 2018

ThispackcontainsaprogrammeofactivitiesandresourcestoprepareyoutostartA levelBiology inSeptember. It isaimedtobeusedafteryou complete your GCSE throughout the remainder of the summertermandover the summerholidays to ensure youare ready to startyourcourseinSeptember.

https://www.distance-education-academy.com/wp-content/uploads/2013/06/biology-a-level-course.jpg

Kickbackthissummerwithagoodread.ThebooksbelowareallpopularsciencebooksandgreatforextendingyourunderstandingofBiology.

TheRedQueenItsallaboutsex.Orsexualselectionatleast.Thisbookwillreallyhelpyourunderstandingofevolutionandparticularlythefascinatingroleofsexinevolution.Availableatamazon.co.uk

AShortHistoryofNearlyEverythingAwhistle-stoptourthroughmanyaspectsofhistoryfromtheBigBangtonow.Thisisareallyaccessiblereadthatwillre-familiariseyouwithcommonconceptsandintroduceyoutosomeofthemorecolourfulcharactersfromthehistoryofscience!Availableatamazon.co.uk

StudyingGeographyaswell?Hen’sTeethandHorse’sToesStephenJayGouldisagreatevolutionwriterandthisbookdiscusseslotsoffascinatingstoriesaboutgeologyandevolution.Availableatamazon.co.uk

Aneasyread..Frankenstein’sCatDiscoverhowglowinthedarkfisharemadeandmoregreatbiotechnologybreakthroughs.Availableatamazon.co.uk

© Copyright The PiXL Club Ltd, 2018

JunkDNAOurDNAissomuchmorecomplexthanyouprobablyrealize,thisbookwillreallydeepenyourunderstandingofalltheworkyouwilldoongenetics.Availableatamazon.co.uk

© Copyright The PiXL Club Ltd, 2018

InheritTheWind(1960)Greatifyoucanfindit.BasedonareallifetrialofateacheraccusedofthecrimeofteachingDarwinianevolutioninschoolinAmerica.Doesthedebaterumbleontoday?

Lorenzo’sOil(1992)Basedonatruestory.Ayoungchildsuffersfromanautoimmunedisease.Theparentsresearchandchallengedoctorstodevelopanewcureforhisdisease.

AndromedaStrain(1971)SciencefictionbythegreatthrillerwriterMichaelCricthon(mostfamousforwritingJurassicPark).HumansbegindyingwhenanalienmicrobearrivesonEarth.

GorillasintheMist(1988)AnabsoluteclassicthatretellsthetruestoryofthelifeandworkofDianFosseyandherworkstudyingandprotectingmountaingorillasfrompoachersandhabitatloss.Atearjerker.

SomethingtheLordMade(2004)ProfessorSnape(thelategreatAlanRickman)inaverydifferentrole.Thefilmtellsthestoryofthescientistsatthecuttingedgeofearlyheartsurgeryaswellasissuessurroundingracismatthetime.

TherearesomegreatTVseriesandboxsetsavailabletoo,youmightwanttocheckout:BluePlanet,PlanetEarthIandII,,Icarus,Blackfish,TheAscentofMan,Catastrophe,FrozenPlanet,LifeStory,TheHuntandMonsoon.

Everyonelovesagoodstoryandeveryonelovessomegreatscience.Herearesomeofthepicksofthebestfilmsbasedonreallifescientistsanddiscoveries.YouwontfindJurassicParkonthislist,we’velookedbackoverthelast50yearstogiveyouourtop5filmsyoumightnothaveseenbefore.Greatwatchingforarainyday.

© Copyright The PiXL Club Ltd, 2018

ANewSuperweaponintheFightAgainstCancerAvailableat:http://www.ted.com/talks/paula_hammond_a_new_superweapon_in_the_fight_against_cancer?language=enCancerisaveryclever,adaptabledisease.Todefeatit,saysmedicalresearcherandeducatorPaulaHammond,weneedanewandpowerfulmodeofattack.

WhyBeesareDisappearingAvailableat:http://www.ted.com/talks/marla_spivak_why_bees_are_disappearing?language=enHoneybeeshavethrivedfor50millionyears,eachcolony40to50,000individualscoordinatedinamazingharmony.Sowhy,sevenyearsago,didcoloniesstartdyingen-masse?

WhatDoctorsDon’tKnowAbouttheDrugsTheyPrescribeAvailableat:http://www.ted.com/talks/ben_goldacre_what_doctors_don_t_know_about_the_drugs_they_prescribe?language=enWhenanewdruggetstested,theresultsofthetrialsshouldbepublishedfortherestofthemedicalworld—exceptmuchofthetime,negativeorinconclusivefindingsgounreported,leavingdoctorsandresearchersinthedark.

GrowingNewOrgansAvailableat:http://www.ted.com/talks/anthony_atala_growing_organs_engineering_tissue?language=enAnthonyAtalla'sstate-of-the-artlabgrowshumanorgans—frommusclestobloodvesselstobladders,andmore.

Ifyouhave30minutestospare,herearesomegreatpresentations(andfree!)fromworldleadingscientistsandresearchersonavarietyoftopics.Theyprovidesomeinterestinganswersandasksomethought-provokingquestions.UsethelinkorscantheQRcodetoview:

© Copyright The PiXL Club Ltd, 2018

1. Divideyourpageintothreesectionslikethis

3.Usethelargeboxtomakenotes.Leaveaspacebetweenseparateideas.Abbreviatewherepossible.

5.Writeasummaryofthemainideasinthebottomspace

2. Writethename,dateandtopicatthetopofthepage

4. Reviewandidentifythekeypointsinthelefthandbox

Imagestakenfromhttp://coe.jmu.edu/learningtoolbox/cornellnotes.html

Research,readingandnotemakingareessentialskillsforAlevelBiologystudy.Forthefollowingtaskyouaregoingtoproduce‘CornellNotes’tosummariseyourreading.

© Copyright The PiXL Club Ltd, 2018

TheBigPictureisanexcellentpublicationfromtheWellcomeTrust.Alongwiththemagazine,thecompanyproducesposters,videosandotherresourcesaimedatstudentsstudyingforGCSEsandAlevel.Foreachofthefollowingtopics,youaregoingtousetheresourcestoproduceonepageofCornellstylenotes.UsethelinksorscantheQRcodetotakeyoutotheresources.

Topic1:TheCellAvailableat:http://bigpictureeducation.com/cellThecellisthebuildingblockoflife.Eachofusstartsfromasinglecell,azygote,andgrowsintoacomplexorganismmadeoftrillionsofcells.Inthisissue,weexplorewhatweknow–andwhatwedon’tyetknow–aboutthecellsthatarethebasisofusallandhowtheyreproduce,grow,move,communicateanddie.

Topic2:TheImmuneSystemAvailableat:http://bigpictureeducation.com/immuneTheimmunesystemiswhatkeepsushealthyinspiteofthemanyorganismsandsubstancesthatcandousharm.Inthisissue,weexplorehowourbodiesaredesignedtopreventpotentiallyharmfulobjectsfromgettinginsideandwhathappenswhenbacteria,viruses,fungiorotherforeignorganismsorsubstancesbreachthesebarriers.

Topic3:Exercise,EnergyandMovementAvailableat:http://bigpictureeducation.com/exercise-energy-and-movementAlllivingthingsmove.Whetherit’saplantgrowingtowardsthesun,bacteriaswimmingawayfromatoxinoryouwalkinghome,anythingalivemustmovetosurvive.Forhumansthough,movementismorethanjustsurvival–wemoveforfun,tocompeteandtobehealthy.Inthisissuewelookatthebiologicalsystemsthatkeepusmovingandconsidersomeofthepsychological,socialandethicalaspectsofexerciseandsport.

© Copyright The PiXL Club Ltd, 2018

Topic4:PopulationsAvailableat:http://bigpictureeducation.com/populationsWhat’sthefirstthingthatpopsintoyourmindwhenyoureadthewordpopulation?Mostlikelyit’stheever-increasinghumanpopulationonearth.You’reamemberofthatpopulation,whichisthetermforallthemembersofasinglespecieslivingtogetherinthesamelocation.Thetermpopulationisn’tjustusedtodescribehumans;itincludesotheranimals,plantsandmicrobestoo.Inthisissue,welearnmoreabouthowpopulationsgrow,changeandmove,andwhyunderstandingthemissoimportant.

Topic4:HealthandClimateChangeAvailableat:http://bigpictureeducation.com/health-and-climate-changeTheEarth’sclimateischanging.Infact,ithasalwaysbeenchanging.Whatisdifferentnowisthespeedofchangeandthemaincauseofchange–humanactivities.Thisissueasks:Whatarethebiggestthreatstohumanhealth?Whowillsufferastheclimatechanges?Whatcanbedonetominimiseharm?Andhowdowecopewithuncertainty?

© Copyright The PiXL Club Ltd, 2018

DNAandtheGeneticCodeInlivingorganismsnucleicacids(DNAandRNA)haveimportantrolesandfunctionsrelatedtotheirproperties.ThesequenceofbasesintheDNAmoleculedeterminesthestructureofproteins,includingenzymes.Thedoublehelixanditsfourbasesstoretheinformationthatispassedfromgenerationtogeneration.Thesequenceofthebasepairsadenine,thymine,cytosineandguaninetellribosomesinthecytoplasmhowtoconstructaminoacidsintopolypeptidesandproduceeverycharacteristicwesee.DNAcanmutateleadingtodiseasesincludingcancerandsometimesanomaliesinthegeneticcodearepassedfromparentstobabiesindiseasessuchascysticfibrosis,orcanbedevelopedinunbornfoetusessuchasDownsSyndrome.Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.bbc.co.uk/education/guides/z36mmp3/revisionhttp://www.s-cool.co.uk/a-level/biology/dna-and-genetic-code

Andtakealookatthesevideos:http://ed.ted.com/lessons/the-twisting-tale-of-dna-judith-hauckhttp://ed.ted.com/lessons/where-do-genes-come-from-carl-zimmer

Task:ProduceawalldisplaytoputupinyourclassroominSeptember.YoumightmakeaposterordothisusingPowerPointorsimilar.Yourdisplayshoulduseimages,keywordsandsimpleexplanationsto:• Definegene,chromosome,DNAandbasepair• DescribethestructureandfunctionofDNAandRNA• ExplainhowDNAiscopiedinthebody• OutlinesomeoftheproblemsthatoccurwithDNAreplicationandwhattheconsequencesofthismightbe.

EvolutionTransferofgeneticinformationfromonegenerationtothenextcanensurecontinuityofspeciesorleadtovariationwithinaspeciesandpossibleformationofnewspecies.Reproductiveisolationcanleadtoaccumulationofdifferentgeneticinformationinpopulationspotentiallyleadingtoformationofnewspecies(speciation).Sequencingprojectshavereadthegenomesoforganismsrangingfrommicrobesandplants,tohumans.Thisallowsthesequencesoftheproteinsthatderivefromthegeneticcodetobepredicted.Genetechnologiesallowstudyandalterationofgenefunctioninordertobetterunderstandorganismfunctionandtodesignnewindustrialandmedicalprocesses.Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.bbc.co.uk/education/guides/z237hyc/revision/4http://www.s-cool.co.uk/a-level/biology/evolution

Andtakealookatthesevideos:http://ed.ted.com/lessons/how-to-sequence-the-human-genome-mark-j-kielhttp://ed.ted.com/lessons/the-race-to-sequence-the-human-genome-tien-nguyen

Task:ProduceaonepagerevisionguideforanASBiologystudentthatrecapsthekeywordsandconceptsinthistopic.Yourrevisionguideshould:• Describespeciation• Explainwhatagenomeis• Giveexamplesofhowthisinformationhasalreadybeenusedtodevelopnewtreatmentsandtechnologies.

AlevelBiologywilluseyourknowledgefromGCSEandbuildonthistohelpyouunderstandnewandmoredemandingideas.Completethefollowingtaskstomakesureyourknowledgeisuptodateandyouarereadytostartstudying:

© Copyright The PiXL Club Ltd, 2018

BiodiversityThevarietyoflife,bothpastandpresent,isextensivebutthebiochemicalbasisoflifeissimilarforalllivingthings.Biodiversityreferstothevarietyandcomplexityoflifeandmaybeconsideredatdifferentlevels.Biodiversitycanbemeasured,forexample,withinahabitatoratthegeneticlevel.Classificationisameansoforganisingthevarietyoflifebasedonrelationshipsbetweenorganismsandisbuiltaroundtheconceptofspecies.Originallyclassificationsystemswerebasedonobservablefeaturesbutmorerecentapproachesdrawonawiderrangeofevidencetoclarifyrelationshipsbetweenorganisms.Adaptationsoforganismstotheirenvironmentscanbebehavioural,physiologicalandanatomical.Adaptationandselectionaremajorfactorsinevolutionandmakeasignificantcontributiontothediversityoflivingorganisms.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.s-cool.co.uk/a-level/biology/ecological-conceptshttp://www.s-cool.co.uk/a-level/biology/classification

Andtakealookatthesevideos:http://ed.ted.com/lessons/why-is-biodiversity-so-important-kim-preshoffhttp://ed.ted.com/lessons/can-wildlife-adapt-to-climate-change-erin-eastwood

Task:WriteapersuasivelettertoanMP,organisationorpressuregrouppromotingconservationtomaintainbiodiversity.Yourlettershould:• Definewhatismeantbyspeciesandclassification• Describehowspeciesareclassified• Explainonewayscientistscancollectdataaboutahabitat,givinganexample• Explainadaptationandhowhabitatchangemayposeathreattonichespecies.

ExchangeandTransportOrganismsneedtoexchangesubstancesselectivelywiththeirenvironmentandthistakesplaceatexchangesurfaces.Factorssuchassizeormetabolicrateaffecttherequirementsoforganismsandthisgivesrisetoadaptationssuchasspecialisedexchangesurfacesandmasstransportsystems.Substancesareexchangedbypassiveoractivetransportacrossexchangesurfaces.Thestructureoftheplasmamembraneenablescontrolofthepassageofsubstancesintoandoutofcells.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.s-cool.co.uk/a-level/biology/gas-exchangehttp://www.s-cool.co.uk/a-level/biology/nutrition-and-digestion/revise-it/human-digestive-system

Andtakealookatthesevideos:http://ed.ted.com/lessons/insights-into-cell-membranes-via-dish-detergent-ethan-perlsteinhttp://ed.ted.com/lessons/what-do-the-lungs-do-emma-bryce

Task:CreateaposterordisplaytogoinyourclassroominSeptember.Yourpostershouldeither:compareexchangesurfacesinmammalsandfish,orcompareexchangesurfacesinthelungsandtheintestines.YoucoulduseaVenndiagramtodothis.Yourpostershould:• Describediffusion,osmosisandactivetransport• Explainwhyoxygenandglucoseneedtobeabsorbedandwasteproductsremoved• Compareandcontrastyourchosenfocus.

© Copyright The PiXL Club Ltd, 2018

BiologicalMoleculesBiologicalmoleculesareoftenpolymersandarebasedonasmallnumberofchemicalelements.Inlivingorganismscarbohydrates,proteins,lipids,inorganicionsandwaterallhaveimportantrolesandfunctionsrelatedtotheirproperties.DNAdeterminesthestructureofproteins,includingenzymes.Enzymescatalysethereactionsthatdeterminestructuresandfunctionsfromcellulartowhole-organismlevel.Enzymesareproteinswithamechanismofactionandotherpropertiesdeterminedbytheirtertiarystructure.ATPprovidestheimmediatesourceofenergyforbiologicalprocesses.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.s-cool.co.uk/a-level/biology/biological-molecules-and-enzymeshttp://www.bbc.co.uk/education/guides/zb739j6/revision

Andtakealookatthesevideos:https://www.youtube.com/watch?v=H8WJ2KENlK0http://ed.ted.com/lessons/activation-energy-kickstarting-chemical-reactions-vance-kite

Task:Krabbediseaseoccurswhenapersondoesn’thaveacertainenzymeintheirbody.Thediseaseeffectsthenervoussystem.WritealettertoaGPorasufferertoexplainwhatanenzymeis.Yourpostershould:• Describethestructureofanenzyme• Explainwhatenzymesdoinsidethebody

CellsThecellisaunifyingconceptinbiology,youwillcomeacrossitmanytimesduringyourtwoyearsofAlevelstudy.Prokaryoticandeukaryoticcellscanbedistinguishedonthebasisoftheirstructureandultrastructure.Incomplexmulticellularorganisms,cellsareorganisedintotissues,tissuesintoorgansandorgansintosystems.Duringthecellcyclegeneticinformationiscopiedandpassedtodaughtercells.Daughtercellsformedduringmitosishaveidenticalcopiesofgeneswhilecellsformedduringmeiosisarenotgeneticallyidentical.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.s-cool.co.uk/a-level/biology/cells-and-organelleshttp://www.bbc.co.uk/education/guides/zvjycdm/revision

Andtakealookatthesevideos:https://www.youtube.com/watch?v=gcTuQpuJyD8https://www.youtube.com/watch?v=L0k-enzoeOMhttps://www.youtube.com/watch?v=qCLmR9-YY7o

Task:ProduceaonepagerevisionguidetosharewithyourclassinSeptembersummarisingoneofthefollowingtopics:CellsandCellUltrastructure,ProkaryotesandEukaryotes,orMitosisandMeiosis.Whichevertopicyouchoose,yourrevisionguideshouldinclude:• Keywordsanddefinitions• Clearlylabelleddiagrams• Shortexplanationsofkeyideasorprocesses.

© Copyright The PiXL Club Ltd, 2018

EcosystemsEcosystemsrangeinsizefromtheverylargetotheverysmall.Biomasstransfersthroughecosystemsandtheefficiencyoftransferthroughdifferenttrophiclevelscanbemeasured.Microorganismsplayakeyroleinrecyclingchemicalelements.Ecosystemsaredynamicsystems,usuallymovingfromcolonisationtoclimaxcommunitiesinaprocessknownassuccession.Thedynamicequilibriumofpopulationsisaffectedbyarangeoffactors.Humansarepartoftheecologicalbalanceandtheiractivitiesaffectitbothdirectlyandindirectly.Effectivemanagementoftheconflictbetweenhumanneedsandconservationhelptomaintainsustainabilityofresources.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.bbc.co.uk/education/guides/z7vqtfr/revisionhttp://www.s-cool.co.uk/a-level/biology/ecological-concepts

Andtakealookatthesevideos:https://www.youtube.com/watch?v=jZKIHe2LDP8https://www.youtube.com/watch?v=E8dkWQVFAoA

Task:Produceanewspaperormagazinearticleaboutoneecosystem(e.g.thearctic,theSahara,therainforest,orsomethingclosertohomelikeyourlocalwoodland,naturereserveorshoreline).Yourarticleshouldinclude:• Keywordsanddefinitions• Picturesordiagramsofyourchosenecosystem.• Adescriptionofthechangesthathaveoccurredinthisecosystem• Anexplanationofthethreatsandfuturechangesthatmayfurtheralterthisecosystem.

ControlSystemsHomeostasisisthemaintenanceofaconstantinternalenvironment.Negativefeedbackhelpsmaintainanoptimalinternalstateinthecontextofadynamicequilibrium.Positivefeedbackalsooccurs.Stimuli,bothinternalandexternal,aredetectedleadingtoresponses.Thegenomeisregulatedbyanumberoffactors.Coordinationmaybechemicalorelectricalinnature

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.s-cool.co.uk/a-level/biology/homeostasishttp://www.bbc.co.uk/education/topics/z8kxpv4

Andtakealookatthesevideos:https://www.youtube.com/watch?v=x4PPZCLnVkAhttps://www.youtube.com/watch?v=x4PPZCLnVkA

Task:ProduceapostertodisplayinyourclassroominSeptembersummarisingoneofthefollowingtopics:TemperatureControl,WaterandtheKidneys,Glucose,orTheLiver.Whichevertopicyouchoose,yourposterordisplayshouldinclude:KeywordsanddefinitionsClearlylabelleddiagramsShortexplanationsofkeyideasorprocesses.

© Copyright The PiXL Club Ltd, 2018

ScientificandInvestigativeSkillsAspartofyourAlevelyouwillcompleteapracticalassessment.Thiswillrequireyoutocarryoutaseriesofpracticalactivitiesaswellasplanninghowtodothem,analysingtheresultsandevaluatingthemethods.Thiswillrequireyouto:useappropriateapparatustorecordarangeofquantitativemeasurements(toincludemass,time,volume,temperature,lengthandpH),useappropriateinstrumentationtorecordquantitativemeasurements,suchasacolorimeterorphotometer,uselaboratoryglasswareapparatusforavarietyofexperimentaltechniquestoincludeserialdilutions,useoflightmicroscopeathighpowerandlowpower,includinguseofagraticule,producescientificdrawingfromobservationwithannotations,usequalitativereagentstoidentifybiologicalmolecules,separatebiologicalcompoundsusingthinlayer/paperchromatographyorelectrophoresis,safelyandethicallyuseorganisms,usemicrobiologicalaseptictechniques,includingtheuseofagarplatesandbroth,safelyuseinstrumentsfordissectionofananimalorgan,orplantorgan,usesamplingtechniquesinfieldwork.

Task:Produceaglossaryforthefollowingkeywords:accuracy,anomaly,calibration,causallink,chance,confoundingvariable,controlexperiment,controlgroup,controlvariable,correlation,dependentvariable,errors,evidence,fairtest,hypothesis,independent,nullhypothesis,precision,probability,protocol,randomdistribution,randomerror,rawdata,reliability,systematicerror,truevalue,validity,zeroerror,

EnergyforBiologicalProcessesIncellularrespiration,glycolysistakesplaceinthecytoplasmandtheremainingstepsinthemitochondria.ATPsynthesisisassociatedwiththeelectrontransferchaininthemembranesofmitochondriaandchloroplastsinphotosynthesisenergyistransferredtoATPinthelight-dependentstageandtheATPisutilisedduringsynthesisinthelight-independentstage.

Readtheinformationonthesewebsites(youcouldmakemoreCornellnotesifyouwish):http://www.bbc.co.uk/education/guides/zcxrd2p/revisionhttp://www.s-cool.co.uk/a-level/biology/respiration

Andtakealookatthesevideos:https://www.youtube.com/watch?v=00jbG_cfGuQhttps://www.youtube.com/watch?v=2f7YwCtHcgk

Task:ProduceanA3annotatedinformationposterthatillustratestheprocessofcellularrespirationandsummarisesthekeypoints.Yourpostershouldinclude:• Bothtextandimages• Bevisuallystimulating• Keywordsanddefinitions• Clearlylabelleddiagrams• Shortexplanationsofkeyideasorprocesses.

© Copyright The PiXL Club Ltd, 2018

GlasgowScienceCentre-Glasgow

TheLakelandWildlifeOasis-Milnthorpe

DundeeScienceCentre-Dundee

ScottishSeabirdcentre–NorthBerwick

W5-Belfast

Life–Newcastle-upon-Tyne

AngleseySeaZoo-Anglesey

CambridgeScienceCentre-Cambridge

Think-tank-BirminghamNationalMuseum-Cardiff

HerrimanMuseumandGardens-London

TheEdenProject-CornwallBristolScienceCentre-Bristol

TheLivingRainforest-Newbury

CentreoftheCell-London

RoyalBotanicGardens–Kew-Edinburgh

OxfordUniversityMuseumofNaturalHistory-Oxford

NationalMarineAquarium-Plymouth

IfyouareonholidayintheUK,oronastaycationathome,whynotplanadaytriptooneofthese:

© Copyright The PiXL Club Ltd, 2018

IfyouareonholidayintheUK,oronastaycationathome,whynotplanadaytriptooneofthese:

Remembertherearealsolotsofzoos,wildlifeandsafariparksacrossthecountry,herearesomeyoumaynothaveheardoforconsidered:ColchesterZoo,CotswoldWildlifePark,BanhamZoo(Norfolk),TropicalBirdland(Leicestershire),YorkshireWildlifePark,PeakWildlifePark,InternationalCentreforBirdsofPrey(York),BlackpoolZoo,BealePark(Reading)

Therearealsohundredsofnaturereserves(someofwhicharefree)locatedalloverthecountryincluding:RSPBsitesatLochwinnoch,Saltholme,FairburnIngs,OldMoor,Conwy,Minsmere,RainhamMarshes,PulboroughBrooks,RadipoleLake,NewportWetlands.WildlifeTrustReservesandothersatRutlandWater,Pensthorpe,InshMarshes,AttenboroughCentre,Inversnaid,Skomer,LochGarten,DonnaNook,ChapmansWell,WoodwaltonFen,LondonWetlandCentre,MartinDownandWoolstonEyesReserve.

Manyorganisationsalsohaveopportunitiesforpeopletovolunteeroverthesummermonths,thismightincludeworkinginashop/café/visitorcentre,helpingwithsitemaintenanceortakingpartinbiologicalsurveys.Notonlyisthisgreatexperience,itlooksgreatonajoborUCASapplication.

Foropportunitieskeepaneyeoutinyourlocalpress,onsocialmedia,orlookatthewebsitesoforganisationsliketheRSPB,WildlifeTrust,NationalTrustorWildlife&WetlandTrust.

Therearealsoprobablylotsofsmallerorganisationsnearyouwhowouldalsoappreciateanysupportyoucangive!

© Copyright The PiXL Club Ltd, 2018

ScienceonSocialMedia

FindonFacebook:Nature-theprofilepagefornature.comfornews,features,researchandeventsfromNaturePublishingGroup

MarineConservationInstitute–publishesthelatestsciencetoidentifyimportantmarineecosystemsaroundtheworld.

NationalGeographic-since1888,NationalGeographichastravelledtheEarth,sharingitsamazingstoriesinpicturesandwords.

ScienceNewsMagazine-Sciencecoversimportantandemergingresearchinallfieldsofscience.

BBCScienceNews-ThelatestBBCScienceandEnvironmentNews:breakingnews,analysisanddebateonscienceandnaturearoundtheworld.

Science communication is essential in the modern world and all the big scientific companies,researchersandinstitutionshavetheirownsocialmediaaccounts.Herearesomeofourtoptipstokeepuptodatewithdevelopingnewsorinterestingstories:

FollowonTwitter:AlevelBiology–AhubforGCSEandAlevelbiologystudents@flagellum_bio

ALevelBiology–alevelbiology.co.ukprovidesresourcesforAQA,OCRandEdexcelA-LevelBiology.@alevelbiologyuk

DavidChalk–dailyrevisiontipsforASandA2Biology@teacherchalky1

UnderstandBiology–newsstoriesrelatingtoAlevelknowledgeandunderstanding@a_level_biology

SciCurious–feedfromwriterandBethanyBrookshiretweetingaboutgood,badandweirdneuroscience@scicurious

CarlZimmer–SciencewriterCarlblogsaboutthelifesciences@carlzimmer

VirginiaHughes–sciencejournalistandbloggerforNationalGeographic,keepuptodatewithneuroscience,geneticsandbehaviour@virginiahughes

MarynMcKenna–sciencejournalistwhowritesaboutantibioticresistance@marynmck

MolecularBiology-latestnews,research,booksandjournalsinmolecularbiology,cellbiology,genetics,stemcells,cancerandbiotechnology@molecular

© Copyright The PiXL Club Ltd, 2018

ScienceWebsites

Probablythebestwebsiteonbiology….‘LearnGenetics’fromUtahUniversityhassomuchthatispitchedatanappropriatelevelforyouandhaslotsofinteractiveresourcestoexplore,everythingfromwhysomepeoplecantastebitterberriestohowweclonemiceormakeglowinthedarkjellyfish.http://learn.genetics.utah.edu/

‘DNAfromtheBeginning’isfullofinteractiveanimationsthattellthestoryofDNAfromitsdiscoverythroughtoadvancedyear13concepts.Onetobookmark!http://www.dnaftb.org/

Inthesummeryouwillmostlikelystarttolearnaboutbiodiversityandevolution.ManyZooshavegreatwebsites,especiallyLondonZoo.Readaboutsomeofthecasestudiesonconservation,suchastheGiantPangolin,theonlymammalwithscales.https://www.zsl.org/conservation

AtGCSEyoulearnthowgeneticdiseasesareinherited.Inthisvirtualflylabyougettobreedfruitfliestoinvestigatehowdifferentfeaturesarepassedon.http://sciencecourseware.org/vcise/drosophila/

Ok,sonotawebsite,butavideoyoudefinitelywanttowatch.Oneofthefirsttopicsyouwilllearnaboutistheamazingstructureofthecell.ThisBBCfilmshowsthefascinatingworkingsofacell…atouchmoredetailedthanthe“friedegg”modelyoumighthaveseen.http://www.dailymotion.com/video/xzh0kb_the-hidden-life-of-the-cell_shortfilmsIfthislinkexpires–google“BBChiddenlifeofthecell”

Thesewebsitesallofferanamazingcollectionofresourcesthatyoushoulduseagainandagainthroughoutyourcourse.

Science:Thingstodo!

WanttostandabovetherestwhenitcomestoUCAS?Nowisthetimetoact.MOOCsareonlinecoursesrunbynearlyalluniversities.TheyareshortFREEcoursesthatyoutakepartin.Theyareusuallyquitespecialist,butaimedatthepublic,notthegenius!Therearelotsofwebsitesthathelpyoufindacourse,suchasedXandFuturelearn.Youcantakepartinanycourse,butthereareusuallystartandfinishdates.Theymostlyinvolvetakingpartinwebchats,watchingvideosandinteractives.

Day4oftheholidaysandboredomhassetin?Thereareloadsofcitizenscienceprojectsyoucantakepart in either from the comfort of your bedroom, outand about, or when on holiday. Wikipedia does acomprehensive list of all the current projects takingplace.Google‘citizenscienceproject’

CompletingaMOOCwilllookgreatonyourpersonalstatementandtheyaredeadeasytotakepartin!

© Copyright The PiXL Club Ltd, 2018

© Copyright The PiXL Club Ltd, 2018

Thefollowing40minutetestisdesignedtotestyourrecall,analysisandevaluativeskillsandknowledge.Remembertouseyourexamtechnique:lookatthecommandwordsandthenumberofmarkseachquestionisworth.Asuggestedmarkschemeisprovidedforyoutocheckyouranswers.

1. a)WhatarethefourbasepairsfoundinDNA?

……………………………………………………………………………………………………………………………………………………………………….(2)

b) WhatdoesDNAcodefor?

……………………………………………………………………………………………………………………………………………………………………….

(1)

c) Whichorganelleinacellcarriesoutthisfunction?

……………………………………………………………………………………………………………………………………………………………………….(1)

2. a)WhattheorydidCharlesDarwinpropose?

……………………………………………………………………………………………………………………………………………………………………….

(1)

b) WhydidmanypeoplenotbelieveDarwinatthetime?

……………………………………………………………………………………………………………………………………………………………………….(1)

c) Describehowfossilsareformed.

……………………………………………………………………………………………………………………………………………………………………….

……………………………………………………………………………………………………………………………………………………………………….

……………………………………………………………………………………………………………………………………………………………………….

(3)

d) Thefossilrecordshowsusthattherehavebeensomespeciesthathaveformedandsomethathavebecomeextinct.i) Whatismeantbytheterm‘species’?

……………………………………………………………………………………………………………………………………………………………………….

(2)

ii) Describehowanewspeciesmayarise:

……………………………………………………………………………………………………………………………………………………………………….

……………………………………………………………………………………………………………………………………………………………………….

…………………………………………………………………………………………………………………………………………………………………(3)

© Copyright The PiXL Club Ltd, 2018

3. Ecologistsregularlystudyhabitatstomeasurethespeciespresentandtheeffectofanychanges.Oneteamofecologistsinvestigatedthehabitatshowninthepicturebelow:

Imagetakenfromhttp://www.macaulay.ac.uk/soilquality/Dune%20Succession.pdf

a) Definethefollowingkeywords:i) Population

…………………………………………………………………………………………………………………………………………………………………

ii) Community

…………………………………………………………………………………………………………………………………………………………………

(2)

b) Giveanexampleofonebioticfactorandoneabioticfactorthatwouldbepresentinthishabitat.

Biotic:………………………………………………………………………………………………………………………………………………………

Abiotic:………………………………………………………………………………………………………………………………………………………(2)

c) Describehowtheecologistswouldgoaboutmeasuringthespeciespresentbetweenthecoastandtheinland.

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

(6)

© Copyright The PiXL Club Ltd, 2018

4. Everylivingorganismismadeofcells.

Imagetakenfromhttp://prestigebux.com/worksheet/label-an-animal-cell-worksheet

a) Labelthefollowingpartsoftheanimalcell:

2……………………………………………………………………………………………………………………………………………………………

5……..……………………………………………………………………………………………………………………………………………………

8…………………………………………………………………………………………………………………………………………………………..(3)

b) Describehowthestructureofthecellmembraneisrelatedtoitsfunction?

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………(3)

5. Amedicalresearchteaminvestigatedhowquicklythebodydealswithglucoseafterameal.Theystudiedthebloodglucoseconcentrationofpeoplewhoexercisedversusthosewhodidnot.Herearetheirresults:

Hoursaftereating

Imagetakenfromhttps://memoirsofanamnesic.wordpress.com/category/blood-glucose/

a) Whatorganinthebodyregulatesbloodglucoseconcentration?

…………………………………………………………………………………………………………………………………………………………………(1)

© Copyright The PiXL Club Ltd, 2018

b) Explainthestagesthatwouldbringaboutareturntonormalbloodglucoseconcentrations.

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………(4)

c) Nameonevariabletheresearcherswillhavecontrolled.

…………………………………………………………………………………………………………………………………………………………………

(1)

d) Theresearchersmadethefollowingconclusion:“Bloodglucosereturnstonormalvaluesforallpeopleafter4hours”

Towhatextentdoyouagreewiththisconclusion.

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………

…………………………………………………………………………………………………………………………………………………………………(3)

6. Scientistsneedtobeabletointerpretdataingraphstodecideiftherearetrendsintheresults.

Foreachgraphbelow,describethetrend.

…………………………………………………………… ……………………………………………………………

…………………………………………………………… ……………………………………………………………(4)Imagestakenfrom:http://www.everythingmaths.co.za/science/lifesciences/grade-10/05-support-and-transport-systems-in-

plants/images/56aff2f9b6c5b041688f745ca928990c.pnghttp://www.bbc.co.uk/staticarchive/afa3f2b16b4d58d077943c96929c9a4020fea83a.gifhttp://www.rpi.edu/dept/chem-eng/Biotech-Environ/Projects00/temph/enzyme.html

http://www.myearthwatchexperience.com/Essential%20Ecology.htm

© Copyright The PiXL Club Ltd, 2018

SuggestedMarkScheme:

Question Answer Marks

1 a Adenine-ThymineCytosine-Guanine

11

b Protein/enzymes 1

c Ribosomes 1

2 a Evolution(bynaturalselection) 1

b Notenoughevidence 1

c (Plant/animaldies)andisquicklyburiedinsedimentNotallconditionsfordecayarepresentHardpartsofthebodyarereplacedbyminerals

111

d i Organismsthatcanreproducetoproduceviableoffspring/offspringthatcanalsoreproduce(fertile)

1

ii 3fromGeographicalisolation/namedexampleMutationofgenesNaturalSelection/selectiveadvantageSpeciescannolongerinterbreed(notproducefertileoffspring)

1111

3 a i Agroupoforganisms,allofthesamespecies,andallofwhomlivetogetherinaparticularhabitat.

1

ii Thetotalofallpopulationslivingtogetherinaparticularhabitat. 1

b Biotic–onefrom:Predators,prey,plant,microbesAbiotic–onefrom:Availabilityofwater,temperature,mineralconcentration,referencetoclimate/weather

1

1

c MeasureoutatransectUsingatapemeasureUseaquadratAtregular(named)intervalsIdentifyspeciespresentUsingakey/guide

111111

4 A 2Nucleolus5SmoothEndoplasmicReticulum8Golgibody

111

© Copyright The PiXL Club Ltd, 2018

Question Answer Marks

4 b Any3fromthefollowingstructureandfunctionmustbegiven.

Lipidbilayer-hasahydrophobicinsideandhydrophilicoutside, 1 allowingforselectivepermeability

Proteins-allowforspecificsubstancestocomeorsomemoleculesto 1 passthrough

Cholesterol-allowsforfluidityofthemembrane 1 Glycoproteins-forcellidentificationtheyserveasmarkers 1

5 a Pancreas 1

b 3from Pancreasdetectschange 1 Insulinsecreted 1 Byalphacells 1 Respirationincreased 1 Uptakeofglucoseincreased 1 Liverincreasesstorageofglucoseasglycogen 1

c Anyonefrom:Amountofchocolate,timetakentoeat,otherfood/drinkconsumed,age,gender,weight,fitnesslevel/metabolicrate,health/preexistingconditions,useofmedicines/drugs

1

d Anythreefrom

Datasuggeststhatbloodglucosereturnstonormal 1 Doesn’tshowhowmuchexercisehasbeendone 1 Doesn’tsayage/gender/othernamedvariable 1 Mayonlybetrueforchocolate/onlyonetypeoffoodinvestigated 1

6 Topleft:transpirationincreaseswhenwindspeedincreases/thereisa 1 positivecorrelation

Topright:rateincreaseswithpHuntiltheoptimumisreached,after 1 theoptimum,ratedecreases

Bottomleft:Increasinglightinitiallyincreasestherateof 1 photosynthesis,butafterawhileremainsconstant

Bottomright:Populationincreasesslowlyatfirstandthenincreasesat 1 agreaterrate/increasesexponentially

©ThePiXLClubLtd.June2018

ThisresourceisstrictlyfortheuseofmemberschoolsforaslongastheyremainmembersofThePiXLClub.Itmaynotbecopied,sold,ortransferredtoathirdpartyorusedbytheschoolaftermembershipceases.Untilsuchtimeitmaybefreelyusedwithinthememberschool.

Allopinionsandcontributionsarethoseoftheauthors.Thecontentsofthisresourcearenotconnectedwith,orendorsedby,anyothercompany,organisationorinstitution.

PiXLClubLtdendeavourtotraceandcontactcopyrightowners.Ifthereareanyinadvertentomissionsorerrorsintheacknowledgementsorusage,thisisunintendedandPiXLwillremedytheseonwrittennotification.