ClassificationClassification

Grouping & Identifying Grouping & Identifying Living ThingsLiving Things

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Why classify?Why classify?

Think of three examples where Think of three examples where we group things.we group things.

Why do we group these things?Why do we group these things?

Classifying Living ThingsClassifying Living Things

We put livings things into two We put livings things into two large groups:large groups:

Animals Animals

PlantsPlants

AnimalsAnimals

Animals are spilt into two Animals are spilt into two major groups:major groups:

VertebratesVertebrates

InvertebratesInvertebrates

VertebratesVertebrates

These are animals with a backbone.These are animals with a backbone.There are five groups of There are five groups of vertebrates:vertebrates:

AmphibiansAmphibiansBirdsBirdsFishFishMammalsMammalsReptilesReptiles

AmphibiansAmphibians

Have moist skinHave moist skin Lay jelly coated Lay jelly coated eggs in watereggs in water

Lives on land Lives on land and waterand water

BirdsBirdsHave feathers Have feathers and hollow bonesand hollow bones

Lay hard shelled Lay hard shelled eggseggs

Warm bloodedWarm blooded

FishFish

Have wet Have wet scalesscales

Lays eggs in Lays eggs in waterwater

Lives in Lives in waterwater

MammalsMammals

Have hair and Have hair and produce milkproduce milk

Give birth to Give birth to live offspring live offspring (no eggs)(no eggs)

Warm bloodedWarm blooded

ReptilesReptiles

Have dry Have dry scalesscales

Lay leathery Lay leathery shelled eggsshelled eggs

Cold bloodedCold blooded