25. Phylogeny
Phylogeny
1:55 minutes
Problem 17
Textbook Question
Textbook QuestionA paleontologist compares fossils from three dinosaurs and Archaeopteryx, the earliest-known bird. The following table shows the distribution of characters for each species, where 1 means that the character is present and 0 means it is not. The outgroup (not shown in the table) had none of the characters. Arrange these species on the phylogenetic tree below and indicate the derived character that defines each branch point.
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