The Evolution Lab ANSWER KEY The Evolution Lab ANSWER KEY EVOLUTION 101 1. c 2. c 3. c ... you don’t know from this data whether it evolved before or after the T at position 17 in the bacteria lineage. 9. When fossil organisms are part of the group you are studying (You can almost never get DNA from fossils.) 4 frog coelacanth cichlid cichlid coelacanth frog coelacanth frog cichlid cichlid frog coelacanth. …