Across
- 2. common ancestor
- 4. species evolved separately but have common structures
- 7. living organisms
- 8. based on looks
- 9. species evolved separately but have similar structure
- 10. similar function; different species
- 11. no apparent function of feature
Down
- 1. species evolve in close relationships with other animals
- 3. based on letters
- 5. heritable trait that aid in survival
- 6. non-living organisms