Across
- 2. slow rate of evolution over a long time
- 8. formation of a new species
- 10. differences between organisms of same species
- 12. single species develops into many
- 13. inherited trait that increases survival chance
- 14. combined genetic information of all members
- 15. change in an organism over time
- 16. movement of animals from one place to another
Down
- 1. those best suited survive and reproduce
- 3. group of individuals of the same species
- 4. organ that no longer serves a purpose
- 5. rapid change caused by major events (blank) equilibrium
- 6. information about past life through fossils
- 7. ability of an organism to survive and reproduce
- 9. type of rock most fossils found in
- 11. conditions that exist for an organism's life