Lecture Homework 1

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Across
  1. 3. The branch of biology that investigates relationships among species to understand the history of life
  2. 4. A trait found within the ancestor of the group; pleisiomorphic
  3. 6. Derived character unique to only one taxon
  4. 7. the study of the evolutionary history of a species
  5. 12. A method used to construct phylogenetic trees based off fossils
  6. 13. The group of primary interest
  7. 14. A trait within a group that is differing from the ancestor; apomorphic
  8. 15. A closely related species or group phylogenetically outside the group of interest
  9. 16. Any designated group of species
  10. 17. Derived traits that are shared amongst a group and show evidence of a common ancestor
Down
  1. 1. The simplest explanation of observed data is the preferred explanation.
  2. 2. Another method to construct phylogenetic traits, based off DNA
  3. 5. Inherited features shared amongst two or more species
  4. 7. The branch of biology that reconstructs the evolutionary history of species
  5. 8. The field devoted to the classification of organisms
  6. 9. A taxon that consists of all the descendants of a common ancestor
  7. 10. Convergent evolution; independently evolved traits shared among unrelated organisms
  8. 11. The closest relative