Across
- 4. ______ are grouped together based on the presence of shared derived characters
- 5. Branching tree depicting evolutionary relationships among organisms
- 6. An evolutionary grouping consisting of an ancestor and and all of its descendants
- 7. Species that are related to the ingroup, but less closely related than those in the ingroup are to each other
- 8. A form of classification that groups organisms based on common ancestry or evolutionary relationships
- 12. ________ characters are characters that have a similar appearance or function but have evolved independently from one another
- 15. Character common to both ancestor and descendant
- 16. Variations in each character among animals are known as character ______
Down
- 1. The different traits organisms could possess
- 2. _________ characters are characters derived from a common ancestor
- 3. Cladistic methods are used to create a _______ of evolutionary relationships
- 9. Independent evolution of similar structures in distantly related organisms is known as ________ evolution
- 10. The group of organisms where we want to determine relationships
- 11. Characters that are shared by two organisms may be indicative of close _______ relationships
- 13. Branching point where one group gives rise to one or more new groups
- 14. A character that has changed since the primitive condition
