Across
- 3. Trait that help an organism survive
- 4. Branching representation of Evolutionary paths
- 8. When related species evolve separately
- 9. Structures with no use
- 10. Created the Origin of Species; researched the Galapagos
- 13. Change in a species over a very short period of time
- 15. Similar structures due to similar enviroment
- 16. Change over time
- 17. When species evolve together
- 19. Early Hominid who was the first toolmaker
- 20. Early primitive primate; mainly nocturnal
Down
- 1. Method of learning a fossil's exact age; using Half Lifes
- 2. Evolutionary process by which new species are made
- 5. Similar structures; with a common descent
- 6. Change in a species over a very long period of time
- 7. When unrelated species become very similar
- 11. Preserved remains of ancient organisms
- 12. Theory that organisms with good traits survive and reproduce
- 14. Oldest discovered Hominid fossils; Australopithicas afarensis
- 18. A mutation or change in an organism
- 19. Early primates that were bipedal and are very similar to modern humans