Across
- 2. a self replicating material
- 4. a single celled organism
- 6. the 2nd highest taxonomic rank
- 7. a molecule that is produced by a living organism
- 8. a scientific term to classify organisms
- 9. a number of people or things sharing a specified characteristic
Down
- 1. a shoot system and a root system
- 3. the process of whereby organisms better adapted to their enviroment
- 5. a substance produced by a living organism