Across
- 1. ability to hide from predators
- 3. increases the likelihood a species will survive
- 4. genetic change the occurs over time
- 6. anything that increases an organisms fitness
- 9. a left over sturcture
- 10. ability to survive and reproduce
- 11. the remains of dead plants and animals
Down
- 2. man-made "breeding"
- 5. Darwin's explaination of evolution
- 7. a random change in allele frequency
- 8. consists of all changes in a population