All of the above options—homologous structures, analogous structures, and vestigial structures—serve as evidence of the evolution of living species.
- Homologous structures are similar in different species due to common ancestry, indicating evolutionary relationships.
- Analogous structures perform similar functions but arise independently in different species, showing convergent evolution.
- Vestigial structures are remnants of features that served important functions in the organism's ancestors, indicating changes over time.
Therefore, the correct answer is all of the above.