Across
- 3. size of organisms and parts
- 6. alternative forms of a gene
- 7. prey selection
- 8. deoxyribonucleic acid
- 9. formation of new distinct species
- 12. survival of the fittest
- 13. wings of a bird
- 15. an idea
- 16. double stranded dna molecule
- 17. disappearance of a species
Down
- 1. development of a species
- 2. explenation for an observation
- 3. adjusting to new conditions
- 4. difference between individuals of a species
- 5. sequence of dna base pairs
- 8. british scientist
- 10. change over time
- 11. a monophyletic group of organisms
- 12. group of similar organisms
- 14. a change in form or qualities