Across
- 4. The variety of alleles and traits in a population.
- 9. Animals must_________ for limited resources.
- 12. One who comes from a common ancestor.
- 13. Group of organisms that can breed and produce fertile offspring.
- 14. Similar protein_________ also imply a common ancestor/descendant.
- 16. Darwin's studies of finches best represent ______________.
- 17. Alfred_________ published with Charles Darwin.
- 19. Blueprint for all living things.
- 20. A remanent or indent of a once living creature.
- 21. A group of organisms in the same species inhabiting the same area.
- 23. Evolutions takes place over________.
Down
- 1. Geographic distribution of species.
- 2. Fossils were considered to be a _________ of history.
- 3. A term used to represent which organisms can reproduce the best.
- 5. The Cambrian___________ refers to the earliest fossil records found on earth.
- 6. Darwin studied_________ in the Galapagos Islands.
- 7. Comparative_________ focuses on anatomic similarities.
- 8. Structures or organs that indicate relativity to past relatives.
- 10. Comparative ________ is used when looking at early stages of embryos.
- 11. Charles________.
- 14. Organisms that experience____________ are able to reproduce.
- 15. The theory of _________ is credited to Darwin.
- 18. Inherited characteristic that increases an organisms chances of survival.
- 22. Genetic______ may occur when a species moves form one place to another.
- 24. _________selection is included in the theory of evolution.