Across
- 4. An organism that can produce its own food through photosynthesis or chemosynthesis.
- 6. An organism that obtains its energy by consuming other organisms.
- 9. The two-part scientific naming system for organisms.
- 12. An organism whose cells contain a nucleus.
- 14. The evolutionary history and relationships among species.
Down
- 1. The highest taxonomic rank, just below domain.
- 2. A unicellular organism that lacks a nucleus.
- 3. The science of classifying organisms.
- 5. The most specific level of organism classification.
- 7. A kingdom of mostly unicellular eukaryotic organisms.
- 8. A domain of prokaryotic microorganisms.
- 10. The highest taxonomic rank, above kingdom.
- 11. A kingdom of spore-producing organisms that feed on organic matter.
- 13. A method of classifying species based on evolutionary relationships.