Across
- 5. Human modification of species
- 7. Similar in function but different in structure
- 12. Organisms that breed to produce fertile offspring
- 13. Change in a species over time
- 14. Remnant of ancestral organ reduced in function
- 16. States that natural disasters led to change
- 17. Change occurs slowly over long time periods
Down
- 1. Study of fossils and extinct organisms
- 2. Differences in individuals of a population
- 3. Same species that live in the same area
- 4. Similar in structure but functions differently
- 6. Inherited trait that increases fitness
- 8. Distribution of organisms around world
- 9. Remains of previous life
- 10. Traits passed from one generation to next
- 11. Organisms ability to survive and reproduce
- 15. Environment determines adaptations