Across
- 6. found at a certain geographic location and nowhere else
- 7. similar anatomy from common ancestors
- 9. found at a certain geographic location and nowhere else
- 10. A fossil that shows an intermediate state between an ancestral trait and that of its later descendants
Down
- 1. oldest fossils on bottom
- 2. similar structures function in similar environments
- 3. remains or traces of organisms from past
- 4. characteristics in related species can have underlying similarity even though functions may differ
- 5. a body part that no longer has a function
- 8. geographic distribution of a species