Evolution
Across
- 5. a person who studies human history and prehistory
- 6. has been used to date the oldest rocks on earth
- 10. the traits or characteristics of an individual
- 11. The first forms of life had to be simple single celled.
- 13. study fossils to learn about there past
- 14. Father of evolution
- 15. Structures that have lost there use through evolution
- 17. traits that allow a plant and animal to survive
- 18. remains of an organism
- 19. the genetic makeup of an individual
- 20. occurs in popoccurs in any population of any size and results are more likely to adapt to population
Down
- 1. Evolution of new species that occurs when some members of an original species become separated
- 2. when humans select which animals and plants to breed for the next generation
- 3. Diagram that shows how species are related to each other through common ancestors
- 4. the study of how organisms develop
- 7. passed from one generation to the next
- 8. the creation of a new species
- 9. Evolution of a new species that occurs without geographic separation first occurring between members of an original species.
- 12. Earth scientists use radiometric dating,index fossils, and other clues.They have determined Earth is 4.6 billion years
- 16. something that you have to acquire