Across
- 3. phrase that describes natural selection
- 6. Greek philosopher
- 7. production of new living organisms
- 8. Russian biochemist
- 11. individuals responsible for the chemical experiment that stimulated hypothetical conditions
- 12. single-celled organism with no nucleus
- 14. branch of biology and medicine related to the study of embryos and their development
- 15. organism with a nucleus
- 17. organisms are better adapted to the environment and tend to survive and reproduce
- 18. Father of Evolution
Down
- 1. a dinosaur bone
- 2. process of growth over time
- 3. living organisms are created from nonliving matter
- 4. an example is the appendix
- 5. a "plant" that is used as a metaphor for explaining the relationships of organisms
- 9. deoxyribonucleic acid
- 10. scientist who studies fossils
- 13. book published by Darwin
- 16. adjustment to changes in one's environment
- 18. Scottish geologist