The Chordate Phylum
Chordate phylum: 6 vertebrate and 2 invertebrate classes, all having a similar set of 25,000 genes. The Chordate Phylum. Chordates: 6 vertebrate classes. Class: Birds. Hummingbird. Class: Reptiles. Bardick snake. Class: Birds. Hornbill. Class: Mammals. Mouse. Class: Mammals. Mandrill.
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