Unit 5: Evolution of Animal Life Extras  Study Guide

Chapter 20 History of the Vertebrates Flashcards  Self Quiz
  1. Vertebrates possess and evolved from an ancestor that had a .
     
  2. Important evolutionary adaptations in fish include and jaws.
     
  3. Terrestrial vertebrates develop from eggs that can be laid on dry land.
     
  4. Mammals produce to nourish their young. 
     
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