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