Across
- 3. man made genes
- 5. study of early stages development
- 8. the person who studied evolution
- 9. traits that change to help with environment
- 10. closely related genes
- 13. different structure same function
- 14. similar structure different function
Down
- 1. structures we no longer need
- 2. adapting to the environment
- 4. is an explanation that's true and backed by evidence
- 5. proof to show things are real
- 6. study of bones and structures
- 7. a trait that is favorable to the environment
- 11. Copies of traits from generations
- 12. bones