SunlightZone

TwilightZone

MidnightZone

Thetoplayeroftheoceanishometomostmarinelifeandisthewarmest.Thisisthelayerwiththemostnaturallight.

Onlysomelightentersthesecondoceanlayer.Itiscolderthanthesunlightzoneandpressureincreases.

Thethirdoceanlayerisdarkandgetsnolight.Creaturesinthislayerhaveadaptationslikesmalleyes...ornoeyesatall!

AbyssZone

TrenchZone

coralreef

Thefourthlayerispitchblackontheoceanfloor.Theoceanflooriscoveredwithmuddymaterialfromorganicwaste.

Thisisthedeepestlayeroftheoceanfoundincanyonsandtrenches.Thepressurehereisover8tonspersquareinch.

Aridgeorgroupofrock-likestructuresmadeupofgroupsofsmallseaanimalsshapedliketubes.

marine

trenches

adaptation

(adjective)relatingtotheseaandthecreaturesthatliveintheocean.

(noun)along,narrowvalleybeneaththesea

(noun)achangethatmakesiteasierforananimaltosurvive.

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