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Exploring Coral Reefs Understanding Abiotic Factor

This worksheet guides students through a Gizmo simulation on coral reefs and abiotic factors. It explores coral decline, environmental impacts, and reef health using data analysis and graph interpretation.

Daniel Miller
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Name:Gizmo:CoralReefs1-AbioticFactors1.Gotohitps://gizmos.explorelearning.com/2.Click"Login/Enroll"3.Login4.Undertheheading"Unit8:TheEarth&ClimateChange"findthe"CoralReefs1-AbioticFactors"gizmo5.Click"Launch"Directions:Followtheinstructionstogothroughthesimulation.Respondtothequestionsandpromptsintheboxes.Vocabulary:consumer,coral,coralbleaching,coralreef,filterfeeder,foodchain,foodweb,grazer,nutrients,‘oceanacidification,pH,plankton,predator,producer,sediment,zooxanthellaeiiiiPercentageofcoralcoverinPriorKnowledgeQuestions(DotheseBEFOREusingtheGizmo.)EhCone!Roots,1077.20121.Lookatthegraphtotheright.Whatdoesitshow?0%ThecoralsintheCarribeanreefsaredecreasing.0%2.Whydoyouthinkcoralshavedeclinedsince1977?20%Becauseofpollutionandtemperaturechange,andincreasein|~~0"Pono%carbondioxideintheatmosphere.1980199020002010GizmoWarm-upCoralreefsaresomeofthemostdiversehabitatsonEarth,hometooverANSaquarterofallmarinespecies.TheCoralReefsGizmoprovidesasimplifiedmodelofinteractionsamong10keyspeciesinCaribbeanreefs.IntheCoralReefs1exploration,youwillfocusontheeffectsofa1environmentalfactorsonCaribbeanreefs.\Ad31.ClickAdvanceyear10times.Lookcarefullyatthecompositionofthereefovertime.DoNsee===jes?2.SelecttheDATAtab.CheckthatStaghorncoral,Starcoral,Sponges,andAlgaeareselected.Populationsaregivenasapercentageofnormalpopulations.Whatdoyounoticeaboutthesepopulations?Thespongeshaveincreased.3.OntherightsideoftheGizmo,selecttheSUMMARYtab.Inahealthyreef,whatarethevaluesforNutrientload,Waterclarity,Coralcover,andthetotalnumberoffishspecies?Nutrient40PPTWater940%Coral49.0%)Totalfish|441.0load:clarity:cover:species:|species

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