•animals with backbone (or notochord in primitive forms
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•Animals with backbone (or notochord in primitive forms)•Fish, amphibians, reptiles, birds, mammals
GEOLOGY OF THE WORLD’S OCEANS
Marine Life Survey III – Phylum Chordata
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Chordata“Agnaths” - Lack vertebrae
Hagfish (“Slime Eels”)
Scavengers
Lamprey
Has vertebral columnLamprey - parasitic
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ChordataPiscesChondrichthyes(Cartilaginous fish)
•Sharks, sawfish, rays•Carnivores
Hammerhead Shark
White Tip Shark
Nurse Shark
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Sawfish
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ChordataPiscesChondrichthyesRays
Manta RaysPlankton FeedersKomodo Island, Indonesia
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Grouper
Top predator and importantcommercial species
ChordataPiscesOsteicthyesBony FIsh
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Chordata
Reptilia
•Turtles
•Sea snakes
•Marine iguanas
•Salt water crocs
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ChordataReptilia CheloniaSea Turtles
Grazers
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ChordataReptiliaSea SnakesHighly Poisonous
!Life saving tip #16, avoid sea snakes, especially during the mating season!
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ChordataMammalia
•Whales & Dolphins
•Manatees/Dugongs
•Sea Otters
•Seals, Sea Lions, & Walruses
•Polar Bears
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ChordataMammaliaCetacea
Baleen WhalesToothed Whales
Blue Whale•baleen whale•largest animal on earth (ever)•plankton feeder
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Killer Whales
Toothed Whales
Pack predators on whales and seals(“wolves of the sea”)
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CetaceaDolphinsPiscivores
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ChordataMammaliaSirenia
“Manatees”
Grazers
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Sea OttersTool Users
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ChordataMammaliaPinnipediaSeals, Sea Lions,and Walrus
Piscivores(also feed onSea Urchins)
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Polar Bears
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Chordata
Aves
•Penguins *
•Pelicans *, Gulls, Terns, Frigate Birds, etc.
*Piscivores
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ChordataAvesJuvenile Frigate BirdsAlacranes Atoll, MEX
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Gulls
and
Terns
ChordataAves
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ChordataAves
Pelicans