Answer Happy

1. [3 pts] Which of the following statements are true about phylogenies and phylogenetic trees? a. Descendant groups from the same node do not share any derived characteristics. b. A monophyletic group cannot be properly based on convergent features. c. The ancestral group always displays all the synapomorphies of the descendant species. 2. [2 pts] On the tree at right, draw horizontal lines to indicate where the trait "ability to fly" was lost. 3. [4 pts] It turns out this is not the most parsimonious tree for the trait "ability to fly." The skeleton of a more parsimonious tree is below on the right. worm moth COW W bat bird Re-arrange the five species in a more parsimonious manner. Write their names on the tips of the branches. b. Draw a horizontal line to indicate where the trait "ability to fly" would have been gained.