Turtles
SectionI
turtlesexternalmorphologycanbedividedintohead,neck,trunk,armsandlegs,andtailPart5.Headnarrow,slightlytriangle,theformerheadoftheDepartmentofsmooth,thefirstrearskinontheScalesFineofthesepleadings.Maxillarymandibularlongershoot,notonthemandibularteeth.Jawhardedgewithkeratinsheath"beak",thesharpedge,usedtognawbrokenfood.Theturtlepopulationisbigger,Ihavetosplitthetwosidesbacktoextendtheeye.Havedevelopedmusclequalityoftheimages,butcannotbeextendedonlywithswallowingfunction.Turtlesnosefirstattheforefront.Eyeisrelativelysmallinthefirsthalfonbothsides.
Turtlenecklongrough,andsometurtlenecksmayexceeditscarapacelength.Extendableneckskin,neckingintothecrust,itscervicalU-shapedbend.
Trunkturtleisthemainbodyparts,shorttrunkandslightlywide-bian,thereversewasellipticalhornyouterlayerofthescutellum,Boneistheinnerplate,composedofseveralpieces.Andtheupperandlowerlevelsofbonejointsdonotoverlapeachother,therebyenhancingtheshellrigidity.
Limbsperiodofflat,thelandturtlestocylindricallegs,ortheclaws,canreduceincomecrust.Turtlesdifferentcategory,notretreatbodylimbs,butalsotoproblemswithInterdigitalfacilitateswimminginthewater.
Mostturtlebythetailisshortandsmall.Butthereareexceptions,suchasturtle-chestwithscalytailcoverageandlongerthanthelengthofaTurtle.
Sectionturtleslivinghabits
twoturtles,theturtles
classificationofthetypes,inaccordancewiththeirlivingenvironmentcanbedividedintodifferentterrestrialturtles,aquaticturtles,semi-aquaticturtle,seaturtlehabitat,andbenthicfivetypesofturtles.Differenttypesofturtlesexternalmorphologywereconstructedwiththecorrespondinglivingenvironment,Ifaquaticturtlelimbs,fingersandthetoesarewideweb(itfits),Shamadapttolife;andthelandturtleshavesturdylimbsiscylindrical,adaptedtotheswampsandcrawlonland;livingintheseaturtlestype,withpaddle-likelimbs,andtheybothhaveasaltgland,forthebenefitofinvivosecretionofexcesssaltout.
TurtlesbytheFoodandsexualturtlescanbedividedintoanimalturtles,tortoisesplant,omnivorousnessthreeturtles.Aquaticturtlefeedinggenerallyomnivorousness,suchasturtles,yellowpondturtle;Semi-aquaticturtlemajorityoftheanimals,IfPlatysternidaeturtles,threeCuoratrifasciata,thefirstCuora;andtheyellow-marginedboxturtles,yellowforboxturtlesisomnivorousness.Mostofthelandfortheplantspecies,suchasturtlesandMyanmar,fourclawslandturtle.SometurtlesHungertolerancetolerancethirstandmoreyearscouldnoteatisnoteasytodeath.
TurtlessectionIIIofthemainorgansandphysiologicalfunction
one,Skin
turtleskin(exceptfortheheadofhead)isthegreatestfeatureofrough,epidermalhavefinegranularorsmallblockscales,Dermalprotection,reducefrictionwiththeoutsideworldandreducetheevaporationofwaterfromtheinvivorole.Twoturtles,theturtles
breathingpatternstotheneckandlimbsstretchingcampaignsdirectlyaffectstheabdominalcavitysize,thusaffectingthelungsexpandandnarrow.Breathingturtles,thefirstofexhaledgas,afterinhalinggas,specialbreathingpatternscalled"Tostudythe"breathing,alsoknownas"turtlesgully."Turtlesrespirationprocess,fromturtleskinmembraneWaterloohindlimbcontractionobservedchanges.
3,smell
turtleshavetwonostrils,butonlyanose,nostrilsbothwithinbonecoveredwithepithelialmucosa.Olfactoryfunction.Pearnosedevicewhichistheirmainolfactoryorgan.Becauseturtlesinsearchoffoodorcrawling,alwaysprojectingaverylongneck,toexploreodor,andthendecidethewayforward.
4,visual
turtleseyestypicalstructure,aroundconvexcornea,lensmoreround,andciliarymusclesdeveloped,lenscanbeadjustedtoadjustthecurvatureofthehorizon,becauseturtlesgenerallyverybroadvision,claritypoor.Therefore,theturtlemovementofobjectsmoresensitive,andthestill-lifeisaslowresponse.AccordingtoaBritishanimaltesting,asmostturtlescandistinguishhuman,likecolor,especiallyforredandwhitemoresensitivetothereaction.
5,hearing
turtlesonlyhearingearorganandmiddleear,noexternalear.Mostoutsidethetympanicmembrane.Therefore,thetortoiseair-bornesoundretardation.Andtheconductionofgroundvibrationsensitive.Therefore,ingeneral,consideredvirtuallyturtleswhentheyaredeafanddumbanimals.
