Across
- 1. Study of internal structure
- 8. Distinguishing feature of an organism
- 10. DNA or protein data used in classification
- 12. Similarity due to common ancestry
- 13. Trait inherited from distant ancestors
Down
- 2. Individual living thing
- 3. Newly evolved trait
- 4. Evolutionary history of organisms
- 5. Classification based on common ancestry
- 6. Study of organism structure
- 7. Determining the identity of an organism
- 9. Group sharing a common ancestor
- 11. Diagram showing evolutionary relationships
- 14. Observable feature used in classification