Across
- 2. links Peripatus
- 5. evidences similarity in external and visible feature
- 7. study of chromosomes
- 9. dating age of fossils
- 10. organs Degenerated organs
- 12. evidences similarity in structure of bones
Down
- 1. Theory of natural selection
- 3. evidences embryo development stage
- 4. in nucleus
- 6. mutational theory
- 8. in cytoplasm
- 11. evidences carbon dating
