Taylor Jordan. Vertebrate Classes Agnatha Chondrichthyes Osteichthyes Amphibia Reptilia Mammalia.

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Presentation transcript:

Taylor Jordan

Vertebrate Classes Agnatha Chondrichthyes Osteichthyes Amphibia Reptilia Mammalia

Agnatha Oldest class of vertebrates Jawless Ex: Lamprey

Chondrichthyes Have skeletons made of cartilage Ex: Sharks

Osteichthyes Skeletons made of bone Most diverse group of vertebrates Ex: Ray-Finned Fish

Reptilia Live exclusively on land Produce eggs that do not need to develop in water Ex: Lizards

Aves Feathers Hollow bones Ex: Blue Jay

Mammalia Hair Mammary glands Three middle ear bones Ex: Raccoon

Three Groups Vertebrates Tunicates Lancelets

Overview/Characteristics All have tails, pharyngeal slits, hollow nerve cords, and notochords at some point in life or development.

Vertebrates Large Active Well developed brains in hard skull Segemented backbone Ex: Humans

Tunicates Urochordates Free swimming/sessile Ex: Sea Squirts

Lancelets Cephalochordates Small Eel-like Found in shallow tropical oceans Ex:Lancelet

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