Last Modified: 2011-07-08
Related Textbooks:Campbell Biology: Concepts & Connections with MasteringBiology® (7th Edition)
2)hollow nerve cord
3) stiff notochord
5) muscular post anal tail
The simplest chordates are...
sharks, ray finned fishes, and lobe finned fishes
swim bladder (a device inside a fish where they can put gas in it to float)
muscular fins supported by bones
insulation of organism
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