Invertebrate Zoology

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Across
  1. 2. The most recent common ancestor on a phylogenetic tree
  2. 8. The process of independently evolving traits that seem similar, among different species
  3. 9. The study of the evolutionary history of species
  4. 10. Trait type that is novel and differs from previous traits
Down
  1. 1. Shared ancestral traits
  2. 3. Branching point from the ancestral population on a phylogenetic tree
  3. 4. The field devoted to the classification of organisms
  4. 5. Trait type that has been passed through descendants without change
  5. 6. Derived trait that is shared among a group
  6. 7. A designated group of species