Across
- 2. a genetic change in a population over time
- 4. a living organism that might have a similar body structure to a similar organism
- 6. a diagram that shows evolutionary relationships
- 7. parts that look similar but are from different ancestors
- 10. all of the known fossils and place in time
Down
- 1. body parts that have no function in their present-day form
- 3. the study of similarities and differences in the physical structures pf living things
- 5. parts of organisms that are similar in origin and structure
- 8. if species inherited many of same genes from a common ancestor
- 9. the study of the growth and development of offspring from fertilization