Across
- 2. Impression of a organism in a rock
- 3. A copy of a organism in a rock
- 5. evolution changes overtime in populations
- 8. selection The process of which the population of organisms with variations
- 9. Is an inherited trait that increases surviving and reproducing
- 10. A person who studies plants and animals
- 12. Occurs when the last organism dies
- 13. time scale A chart that divides earths history
- 15. Resemblance to one species to another
Down
- 1. record Made up of all fossils ever made on earth
- 3. When a species blend in to there environment
- 4. the science of the development of embryos from fertilization to birth
- 6. anatomy The study of similarities and differences among structures of living species
- 7. A slight difference in a inherited trait
- 11. breeding The breeding of organisms for desired characteristics
- 14. fossil Preserved evidence of the activity of a organism