Evolution
Across
- 2. Changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.
- 5. All the organisms of the same group or species, which live in a particular geographical area.
- 8. Slow changes over long periods of timeā¦.this term is still used today in the changes of organisms through evolution.
- 10. The process by which humans choose traits through breeding.
- 11. Remnants of organs or structures that had a function in an early ancestor.
- 13. Structures that are similar in origin but appear in different organisms and have different functions.
- 14. Natural disasters shaped land forms and caused species to become extinct.
- 17. The study of the distribution of organisms around the world.
- 18. The change in organisms over time.
Down
- 1. An inherited trait that allows an organism to better survive in its environment.
- 3. Any evidence of a once living thing.
- 4. The process whereby organisms better adapted to their environment tend to survive and produce more offspring.
- 6. A measure of the ability to survive and produce more offspring relative to other members of the population in a given environment.
- 7. The differences in physical traits within a species.
- 9. Structures that perform a similar function but are not similar in origin.
- 12. The ability of a trait to be passed down.
- 15. The study of fossils or extinct organisms.
- 16. A group of organisms which in nature can interbreed and produce fertile offspring.