Cladistic terms 2

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Across
  1. 1. name for tree diagram on which branch lengths are shown in propotion to the inferred number of evolutionary changes [9]
  2. 6. study group whose phylogeny is being assessed [7]
  3. 8. two groups or terminal that together form a monophyletic group, i.e., form the two branches from a dichotomous node on a phylogenetic tree [6,6]
  4. 9. criterion used in cladistic analyses for identifying preferred hypotheses of relationships [9]
  5. 14. character with only two states [6]
  6. 15. method of determining the polarity of character states in a dataset [8,10]
  7. 16. group on a phylogenetic tree that shares a unique common ancestor [12]
  8. 17. type of cladistic tree search that estimates the lengths of all possible trees for a set of taxa [10]
  9. 18. group on a phylogentic tree including some but not all descendants of an inferred ancestor [12]
  10. 19. character type with more than two states [10]
Down
  1. 2. similarity due to independent evolutionary change; this can be through convergence/parallel evolution (= analogy), or reversal (= loss) [9]
  2. 3. a monophyletic group [5]
  3. 4. adjective describing primitive or ancestral character state [13]
  4. 5. derived character state unique to one terminal taxon in a phylogenetic analysis [12]
  5. 7. branch-point on a tree/cladogram [4]
  6. 10. A measure of the parsimony fit of a character to a tree, or of the average fit of all characters to a tree [11,5]
  7. 11. shared, derived character state [12]
  8. 12. type of cladistic tree search typically used for larger datasets [9]
  9. 13. character with multiple states, between which all transitions are given the same cost when calculating tree length [9]
  10. 18. branch-point in a tree at which more than two branches are joined [8]