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The First Vertebrates to Evolve Lacked Jaws and Had Skeletons

Question 22

Multiple Choice

The first vertebrates to evolve lacked jaws and had skeletons made from a strong flexible tissue called cartilage.As shown in the figure below,________ are a modern example of this ancient group of vertebrates known as jawless fishes. The first vertebrates to evolve lacked jaws and had skeletons made from a strong flexible tissue called cartilage.As shown in the figure below,________ are a modern example of this ancient group of vertebrates known as jawless fishes. A) Amphibians B) Reptiles C) Ray-finned fishes D) Lampreys


A) Amphibians
B) Reptiles
C) Ray-finned fishes
D) Lampreys

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