The features that distinguish hagfish and lamprey from true fishes. Introduction: Phylum Chordate which is characterized by the presence of notochord and dorsal nerve cord consists of vertebrates and invertebrate animals which lack a vertebral column. Chordates diverge into two group one that consists of cranium or brain box (fishes, reptiles, mammals, and amphibians) and the other that lacks cranium (tunicates, hagfish, and lancelets).

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Chapter 21.12, Problem 1MC

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To determine:

The features that distinguish hagfish and lamprey from true fishes.

Introduction:

Phylum Chordate which is characterized by the presence of notochord and dorsal nerve cord consists of vertebrates and invertebrate animals which lack a vertebral column. Chordates diverge into two group one that consists of cranium or brain box (fishes, reptiles, mammals, and amphibians) and the other that lacks cranium (tunicates, hagfish, and lancelets).

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