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Vertebrates
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They are Jawless vertebrates
Agnatha
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Fish that have jaws
osteichthyes and chondrichthyes
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They are cartilaginous fish characterized by the presence of jaws.
chondrichthyes
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Covered with features to warm the animal
Aves
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They are bony fish with jaws
osteichthyes
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They have amniotic egg that encloses the embryo (List all)
Repltilia Aves Mammalia
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They produce eggs with amnion and can be laid on land
Reptiles
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They adapt to live on land and in water , example Salamander
Amphibi
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They all have four limbs (List all)
Amphibia Reptilia Aves Mammalia
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Its a class in Chordates that is an invertebrate, having sessile organisms as sea squirts
Urochordates
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