Across
- 5. What do you call the system that categorizes organisms by using a naming system that includes the genus and species?
- 7. Is on bottom of the orgin
Down
- 1. This gave scientists a way to group organisms in categories.
- 2. Is on top of the orgin
- 3. ____ realized that a better system was needed to classify organisms.
- 4. What modern method of study can trace the evolutionary relatedness of organisms by comparing the nucleotide sequences on DNA?
- 6. Using ___ ended confusion among scientists from different countries.