1. the cladogram where the common ancestor of all the organisms would be.
2. What type of evidence for evolution is used to show the evolutionary relationship
between these animals?
3.
Which organisms in the cladogram in figure 1 have jaws?
4. Based on the cladogram in figure 1, which shared a common ancestor most recently - a
mouse and a lizard or a mouse and a perch?
5.
Which two organisms would you expect to have a closer matching DNA sequence for a
gene that is NOT under selective pressure in nature - Hagfish and Pigeon or Hagfish and
Salamander?