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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 |