Across
- 5. structures that were once necessary to function but are no longer depended on
- 7. elements of organisms that are similar in structure and suggest common ancestry
- 8. the ancestor two species share in common
- 9. makes up forearm along with ulna
- 10. makes up forearm along with radius
Down
- 1. connects elbow to shoulder
- 2. feature of a species similar in function but do not come from a common ancestor
- 3. a similarity in function or structure that can possibly indicate a common origin
- 4. study of how homology shows our connection and relation
- 6. study of genes, heredity and DNA