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subphylum:vertebrata
Classes of the subphylum vertebrata
Question | Answer |
---|---|
class Agantha | without jaws |
class Mammalia | posses six characteristics of chordates |
class Aves | birds |
class Reptilia | reptiles |
class Amphibia | frogs, toads |
class Osteichthyes | bony fish |
class Chondrichthyes | sharks, rays, skates |
class Mammalia | has mammory glands |
class Aves | has feathers |
class Reptilia | has dry scales all over body |
class Amphibia | goes through metamorphosis |
class Osteichthyes | has 21,000 - 23,000 spp. |
class Chondrichthyes | has >1,000 spp. |
class Agantha | lamprey, hagfish |