Across
- 5. The process of evolving traits that increase a creatures likelihood for survival
- 9. Not like when you go to the gym; how successful a creature is at spreading its genes
- 10. Like natural selection, but human-triggered
- 11. The changing of a species over time
- 12. This is what happened to the dinosaurs
Down
- 1. A natural disaster that results in the changing of a gene pool
- 2. The ability to survive in a changing environment
- 3. Increases a creatures fitness
- 4. When two populations separate and evolve to be genetically incompatible
- 6. An organisms place in the environment
- 7. A shift in a genetic structure
- 8. A sequence of DNA that controls something