Evidence for Evolution

6. _____________ structures are remnant of organs or structures that had a function in an early ancestor.
8. the oldest known fossil bird ______________.
9. ____________ distribution of species shows organisms adapt to new environment.
11. a chicken and a pig share a ________ ancestor.
13. ____________ anatomy indicates that various organisms share a common ancestor.
14. ___________ shows similarities between organisms as they are developing.
16. ____________ structures are features that are similar in function but different in structure.
19. a available body of facts or information indicating whether belief.

1. provide a record of evolution.
2. a study of the structure or internal workings of something.
3. information acquired by observation or experimentation.
4. the surroundings or conditions which a person, animal, or plant live or operates.
5. a process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
7. an individual animal, plants, or single-celled life form.
9. relating to genes or heredity.
10. _____________ structures are features that are similar in structure but different in function.
12. Deoxyribo- Nudeic Aid.
15. relating to or consisting of molecules.
17. all organisms share a common __________.
18. a group of organisms consisting of similar individuals capable of exchanging genes.