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Page 1: Sunlight Zone Twilight Zone Midnight Zonegeoalliance.asu.edu/sites/default/files/Lesson...Twilight Zone Midnight Zone The top layer of the ocean is home to most marine life and is

SunlightZone

TwilightZone

MidnightZone

Thetoplayeroftheoceanishometomostmarinelifeandisthewarmest.Thisisthelayerwiththemostnaturallight.

Onlysomelightentersthesecondoceanlayer.Itiscolderthanthesunlightzoneandpressureincreases.

Thethirdoceanlayerisdarkandgetsnolight.Creaturesinthislayerhaveadaptationslikesmalleyes...ornoeyesatall!

Page 2: Sunlight Zone Twilight Zone Midnight Zonegeoalliance.asu.edu/sites/default/files/Lesson...Twilight Zone Midnight Zone The top layer of the ocean is home to most marine life and is

AbyssZone

TrenchZone

coralreef

Thefourthlayerispitchblackontheoceanfloor.Theoceanflooriscoveredwithmuddymaterialfromorganicwaste.

Thisisthedeepestlayeroftheoceanfoundincanyonsandtrenches.Thepressurehereisover8tonspersquareinch.

Aridgeorgroupofrock-likestructuresmadeupofgroupsofsmallseaanimalsshapedliketubes.

Page 3: Sunlight Zone Twilight Zone Midnight Zonegeoalliance.asu.edu/sites/default/files/Lesson...Twilight Zone Midnight Zone The top layer of the ocean is home to most marine life and is

marine

trenches

adaptation

(adjective)relatingtotheseaandthecreaturesthatliveintheocean.

(noun)along,narrowvalleybeneaththesea

(noun)achangethatmakesiteasierforananimaltosurvive.

Page 4: Sunlight Zone Twilight Zone Midnight Zonegeoalliance.asu.edu/sites/default/files/Lesson...Twilight Zone Midnight Zone The top layer of the ocean is home to most marine life and is

VocabularyPictureSheet


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