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Classification of Classification of AnimalsAnimals
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Classification of AnimalsClassification of Animals
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Classifying Living ThingsClassifying Living Things
We put livings things into two large We put livings things into two large groups:groups:
Animals Animals
PlantsPlants
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AnimalsAnimalsAnimals are spilt into two major Animals are spilt into two major
groups:groups:Vertebrates-Vertebrates-
have a backbone have a backbone
Invertebrates:Invertebrates:Do not have a backboneDo not have a backbone
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Classification of AnimalsClassification of Animals
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VertebratesVertebrates
These are animals with a backbone.These are animals with a backbone.There are five groups of vertebrates:There are five groups of vertebrates:
FishFishAmphibiansAmphibiansReptilesReptilesBirdsBirdsMammalsMammals
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FishFish Are cold-blooded.Are cold-blooded. Live in water Live in water Lay eggs (but some Lay eggs (but some
do give birth to live do give birth to live young).young).
Have a moist skin Have a moist skin covered in scales.covered in scales.
Breathe through Breathe through gills.gills.
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AmphibiansAmphibians Are cold-blooded.Are cold-blooded. Lay eggs.Lay eggs. Have a smooth, moist Have a smooth, moist
skin.skin. Are able to live on Are able to live on
land as well as in the land as well as in the water.water.
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ReptilesReptilesAre cold-blooded.Are cold-blooded.Lay eggs.Lay eggs.Have a dry skin Have a dry skin
covered with covered with scalesscales..
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BirdsBirdsHave feathers and Have feathers and
hollow boneshollow bonesLay hard shelled Lay hard shelled
eggseggsWarm bloodedWarm blooded
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MammalsMammals
Have hair and Have hair and produce milkproduce milk
Give birth to live Give birth to live offspring (no eggs)offspring (no eggs)
Warm bloodedWarm blooded
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Check your understandingCheck your understandingTo which class of vertebrates do the To which class of vertebrates do the
given animals belong?given animals belong?A B
C D
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EF
G H
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InvertebratesInvertebrates These are animals without a backboneThese are animals without a backbone They breathe through their skin and They breathe through their skin and
reproduce by laying eggs. reproduce by laying eggs. There are three broad groups of There are three broad groups of
invertebratesinvertebratesWormsWormsMolluscsMolluscsArthropodsArthropods
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WormsWorms
Have round or flat bodiesHave round or flat bodiesGenerally have bodies divided into Generally have bodies divided into
segments segments Breathe through their skinBreathe through their skin
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MolluscsMolluscs
Crawl on a single Crawl on a single fleshy pad.fleshy pad.
Breathe through Breathe through their skintheir skin
Can have a shellCan have a shell
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ArthropodsArthropodsHave lots of legs and segmented Have lots of legs and segmented
bodies.bodies.There are four group of arthropods:There are four group of arthropods:
SpidersSpidersCentipedes & MillipedesCentipedes & MillipedesCrustaceansCrustaceansInsectsInsects
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SpidersSpidersHave four pairs of Have four pairs of
legs.legs.Have bodies Have bodies
divided into two divided into two sectionssections
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Centipedes & MillipedesCentipedes & Millipedes
Have long thin Have long thin bodies and pairs of bodies and pairs of legs on each of legs on each of their many body their many body sectionssections
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CrustaceanCrustaceanHave five-seven Have five-seven
pairs of legspairs of legsBodies covered Bodies covered
in shellin shell
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InsectsInsectsHave three pairs of Have three pairs of
legslegsBodies divided into Bodies divided into
three sectionsthree sectionsOften have wingsOften have wings
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Invertebrates
Worms Molluscs Arthropods
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Check your understandingCheck your understandingClassify the animals as vertebrates Classify the animals as vertebrates
and invertebrates.and invertebrates.A B
CD
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