Across
- 3. a difference of individuals
- 4. how well an organism can survive
- 5. remains or traces of an organism
- 7. how species are related
- 11. last shared ancestor
- 14. Adaptation to the environment
- 15. helps an animal in the wild
Down
- 1. organisms evolved over many years
- 2. fossils that have been collected
- 6. a group of the same organism
- 8. The info that controls a trait
- 9. evolution happens slowly
- 10. change in a species
- 12. Change in the cell
- 13. no more of a species