Vocabulary Chapters 19 & 20

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Across
  1. 3. within a clade
  2. 6. missing link bird
  3. 8. structure with little/no function
  4. 9. indicates common ancestry
  5. 10. offspring
Down
  1. 1. fossils
  2. 2. process or structure
  3. 4. tree of life
  4. 5. mechanism
  5. 7. naming organisms