Bio1100 Chapter 13 Chap 12   Animal diversification   Chap 15
  1. Vertebrates possess vertebrae   and evolved from an ancestor that had a notochord   .



     
  2. Important evolutionary adaptations in fish include fins   that evolved into limbs.



     
  3. Most terrestrial vertebrates develop from amniotic   eggs that can be laid on dry land.



     
  4. Mammals are amniotes that produce milk   to nourish their young.



     
  5. Humans are primates   that evolved out of Africa.