Across
- 1. the scientific study of how organisms are classified
- 3. unicellular organism that lacks a nucleus
- 6. organism with cells that have a nucleus
- 9. kingdom containing a diverse grouping of odd organisms
- 12. kingdom of heterotrophic organisms that have a cell wall made of chitin
- 13. ability to maintain stable internal conditions
- 14. kingdom containing "ancient" organisms living in extreme environments
- 15. scientist that created the system to organize living things
- 16. organism that must eat to obtain energy
Down
- 2. organism made of many cells
- 4. made of the genus and species
- 5. kingdom that contains unicellular, prokaryotic organisms with peptidoglycan cell walls
- 7. organism made of only 1 cell
- 8. organism that uses energy from the sun to make food
- 10. scientist that did an experiment to disprove spontaneous generation
- 11. kingdom of heterotrophic, eukaryotic, and multicellular organisms
- 17. kingdom of autotrophic, eukaryotic organisms