Animal Adapatations...(Dhurma)

8/7/2019 Animal Adapatations...(Dhurma)

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Animal AdaptationsAnimal Adaptations


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AdaptationAdaptation

An adaptation is a change in anAn adaptation is a change in ananimals physical structure oranimals physical structure or

behavior that helps an animal tobehavior that helps an animal tosurvive in their habitat.survive in their habitat.Examples: The shape of a birdsExamples: The shape of a birdsbeak, number of fingers and toes,beak, number of fingers and toes,or the color of anor the color of ananimals fur.animals fur.


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The shape of an animals teeth is relatedThe shape of an animals teeth is relatedto its diet.to its diet.

Herbivores, such as deer, have manyHerbivores, such as deer, have manymolars for chewing tough grass andmolars for chewing tough grass andplants.plants.

Carnivores, such as lions, have sharpCarnivores, such as lions, have sharpcanines to killcanines to killand tear meat.and tear meat.


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P hysical adaptations do not developP hysical adaptations do not developduring one lifetime, but over manyduring one lifetime, but over many

generations.generations.

These adaptive traits help animalsThese adaptive traits help animalsto obtain food, keep safe, buildto obtain food, keep safe, buildhomes, withstand weather, andhomes, withstand weather, andattract mates.attract mates.


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MammalsMammals

Endothermic orEndothermic orwarmwarm- -bloodedblooded

All have some type of hair All have some type of hair Some are very specialized, such asSome are very specialized, such aswhite polar bear furwhite polar bear fur

Method of locomotionMethod of locomotionCare for youngCare for young


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B irdsB irds

Leg LengthLeg LengthRoseate SpoonbillRoseate Spoonbill

Foot WebbingFoot WebbingLaughing GullLaughing Gull

Beak ShapeBeak Shape

Long Billed CurlewLong Billed Curlew


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Re ptil e sRe ptil e s

Ectothermic or coldEctothermic or cold- - bloodedbloodedScalesScales

Some undergo hibernation and aestivationSome undergo hibernation and aestivationLay eggs on landLay eggs on landLeg structure and positionLeg structure and position


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AmphibiansAmphibians

EctothermicEctothermicLay eggs in waterLay eggs in water

Partially of fully webbed feetPartially of fully webbed feetHave lungs or can absorb oxygen throughHave lungs or can absorb oxygen throughtheir skintheir skin


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Ty p e s of AdaptationTy p e s of AdaptationStructural adaptationStructural adaptationProtective colorationProtective colorationMimicry Mimicry

Behaviour adaptationsBehaviour adaptationsMigrationMigrationHibernation and aestivationHibernation and aestivation


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S tructural adaptationsS tructural adaptations

AA structural adaptationstructural adaptation involvesinvolvessome part of an animal's body.some part of an animal's body.

TeethTeethBody coveringsBody coveringsMovementMovement


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P rot e ctiv e ColorationP rot e ctiv e Coloration

ColorationColoration andandprot e ctiv e prot e ctiv e r e s e mblanc er e s e mblanc e allowallowan animal to blendan animal to blendinto its environment.into its environment.

Enables species toEnables species to

escape its naturalescape its naturalpredator.predator.


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Highly poisonous dart frogs of theHighly poisonous dart frogs of thetropical rain forests of South Africatropical rain forests of South Africaare easily recognized and avoided byare easily recognized and avoided bythe predators.the predators.


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Another word for this might beAnother word for this might becamouflagecamouflage .. Their camouflageTheir camouflagemakes it hard for enemies to singlemakes it hard for enemies to singleout individuals.out individuals.


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M imicr yM imicr yM imicr yM imicr y allows oneallows oneanimal to look,animal to look,sound, or act likesound, or act likeanother animal to foolanother animal to foolpredators intopredators intothinking it isthinking it ispoisonous orpoisonous ordangerous.dangerous.


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Be haviour adaptationsBe haviour adaptationsBe haviour adaptationsBe haviour adaptationsinclude activities that helpinclude activities that helpan animal survive.an animal survive.

Behaviour adaptations canBehaviour adaptations canbe learned or instinctive.be learned or instinctive.

Social behaviourSocial behaviourBehaviour for protectionBehaviour for protection


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M igrationM igrationAnimals migrate forAnimals migrate fordifferent reasons.different reasons.

better climatebetter climate

better foodbetter foodsafe place to livesafe place to livesafe place to raise youngsafe place to raise young

This is whenThis is whenbehavioralbehavioral adaptationadaptationinvolves an animal orinvolves an animal orgroup of animalsgroup of animals

moving from onemoving from oneregion to anotherregion to another


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Example is the Arctic tern which nests inExample is the Arctic tern which nests inNorth pole during summer, flies to south inNorth pole during summer, flies to south in

autumn and returns to north pole againautumn and returns to north pole againeach springeach spring


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H ib e rnation andH ib e rnation andAe stivationAe stivation

I n very cold or dry environments, animalsI n very cold or dry environments, animalsincapableincapable og og migration shift to a dormantmigration shift to a dormantstate.state.

E.g. Bats, woodchucks & bears.E.g. Bats, woodchucks & bears.


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Spending winter in a dormant condition isSpending winter in a dormant condition iscalledcalled hibernationhibernation


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Spending the drySpending the dry- -hot period in an inactivehot period in an inactivestate is known asstate is known as aestivationaestivation


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Adaptations to wat e rAdaptations to wat e r

scarcit yscarcit yAnimals reduce water lossAnimals reduce water lossAdapt to the arid conditions.Adapt to the arid conditions.

Example :Example :- - desert cameldesert camel


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A thick mane helps the male to appear largerA thick mane helps the male to appear largerand serves as protection for the throat. Theand serves as protection for the throat. Thetawny brown coat color camouflages thetawny brown coat color camouflages theanimal and young among vegetation.animal and young among vegetation.

Giraffes drink water when available, but canGiraffes drink water when available, but cango weeks without it. They rely on morninggo weeks without it. They rely on morningdew and the water content of their food.dew and the water content of their food.


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Animal Adapatations...(Dhurma)

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