Post on 03-Jan-2016
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