GUIDE QUESTIONS 1. Which species on the chart (A, B, C, D, E, F) is the common ancestor? Justify your answer 2. Did the round nose of Species E and Species F come from the common ancestor? 3. Is the round nose of Species E and Species F a homologous structure? 4. Did the square nose of Species D and Species G come from the common ancestor? 5. Is the square nose of Species D and Species G a homologous structure? 6. Are the cat ears of Species D and Species F homologous structures? 7. Are the smiles of Species E and Species G homologous structures?​
