Across
- 3. An unusual variation in an organisms genes from parent to offspring
- 6. A person who studies natural history
- 7. The state or process of a species, family, or larger group being or becoming extinct
- 9. The change in the traits of a species over time
- 10. A person who studies Earth and all its formations
- 11. A group of organisms that can produce fertile offspring; most specific classification of living things
- 12. A scientist (Biologist, Geologist, Naturalist) who created the theory of evolution & natural selection
- 13. A phrase describing the process of natural selection
Down
- 1. An organisms child or children
- 2. Conditions in an organisms environment that change & influence its behavior and physical genes
- 4. An idea intended to explain something generally based on certain principals
- 5. A scientist who studies living organisms
- 8. The theory of traits disappearing in organisms over time