VERTEBRATESVERTEBRATES

Mrs. LearyMrs. Leary

Shared CharacteristicsShared Characteristics

Backbones with Backbones with spinal cordspinal cord

Muscular systemMuscular system Central nervous Central nervous

systemsystem Internal skeletonInternal skeleton Head with sensory Head with sensory

organsorgans

Kinds of VertebratesKinds of Vertebrates

FishFish AmphibiansAmphibians ReptilesReptiles BirdsBirds MammalsMammals

FishFish

GillsGills Bone or cartilageBone or cartilage Swim with finsSwim with fins Swim bladder – Swim bladder –

gas-filled sac to gas-filled sac to regulate buoyancy regulate buoyancy

Cold-bloodedCold-blooded

FishFish

4 kinds:4 kinds: JawlessJawless CartilaginousCartilaginous Bony with lobe finsBony with lobe fins Bony with ray finsBony with ray fins

AmphibiansAmphibians

At least part of At least part of their lives spent in their lives spent in the waterthe water

MetamorphosisMetamorphosis Skin must be kept Skin must be kept

moistmoist Gills and lungsGills and lungs Cold-bloodedCold-blooded

AmphibiansAmphibians

Frogs Frogs ToadsToads SalamandersSalamanders CaeciliansCaecilians

ReptilesReptiles

ScalesScales Dry skinDry skin LungsLungs Cold-bloodedCold-blooded

ReptilesReptiles AlligatorsAlligators CrocodilesCrocodiles SnakesSnakes LizardsLizards TurtlesTurtles TortoisesTortoises

BirdsBirds

Wings – flightWings – flight FeathersFeathers BeakBeak Hollow bonesHollow bones Warm-bloodedWarm-blooded

MammalsMammals

Hair or furHair or fur Can regulate their Can regulate their

body temperaturebody temperature Warm-bloodedWarm-blooded Give birth to live Give birth to live

youngyoung Mammary glandsMammary glands

MammalsMammals

3 kinds:3 kinds: Placental – carry Placental – carry

their offspring in a their offspring in a placenta until bornplacenta until born

Monotremes – lay Monotremes – lay eggseggs

Marsupials – give Marsupials – give birth to birth to undeveloped undeveloped young who then young who then develop in a pouchdevelop in a pouch