Systematics and Classification

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Across
  1. 2. The study of the evolutionary history of species
  2. 5. The field devoted to the classification of organisms
  3. 6. Any species or named group of species
  4. 8. A trait that was present in the ancestor of a group; an ancestral trait
  5. 9. Independently evolved traits subjected to similar selection pressures that are superficially similar
  6. 10. Principle that the simplest explanation of observed data is the preferred explanation
  7. 11. A taxon that consists of all the descendants of a common ancestor
Down
  1. 1. The branch of biology that reconstructs the evolutionary history of species
  2. 3. A derived trait that is shared among a group and is viewed as evidence of the common ancestry of the group
  3. 4. The branch of biology that investigates relationships among species to understand the history of life
  4. 7. A trait found in a descendant that differs from the ancestral trait; a derived trait