Evidence for Evolution

1. a study of the structure or internal workings of something.
6. relating to or consisting of molecules.
7. relating to genes or heredity.
9. ____________ anatomy indicates that various organisms share a common ancestor.
10. s chicken and a pig share a ________ ancestor.
13. ___________ shows similarities between organisms as they are developing.
15. the oldest known fossil bird ______________.
17. ____________ distribution of species shows organisms adapt to new environment.
18. Deoxyribo- Nudeic Aid.
19. provide a record of evolution.

2. all organisms share a common __________.
3. ____________ structures are features that are similar in function but different in structure.
4. the surroundings or conditions which a person, animal, or plant live or operates.
5. a available body of facts or information indicating whether belief.
8. _____________ structures are features that are similar in structure but different in function.
11. 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.
12. information acquired by observation or experimentation.
14. _____________ structures are remnant of organs or structures that had a function in an early ancestor.
16. an individual animal, plants, or single-celled life form.
20. a group of organisms consisting of similar individuals capable of exchanging genes.