Across
- 3. genetic change in a population over time
- 7. a chart that shows evolutionary relationships (who is related to who)
- 9. a previous species that two different species have evolved from
- 10. if species inherited many of the same genes from a common ancestor, them they would have similar body structures and development
Down
- 1. the study of the similarities and differences in the physical structure of things
- 2. parts of organisms that are similar in origin and structure
- 4. all known fossils and place in time
- 5. body parts that have no function in their present-day form
- 6. the study of the growth and development of offspring from fertilization to birth
- 8. parts that look similar, but are passed down from different ancestors