Across
- 1. group of single cell microorganisms
- 3. study of life
- 7. smallest part of a substance that cannot be broken down chemically
- 10. testable prediction
- 12. organisms of the same species that live in a specific area and can breed among themselves
- 13. to stand upright and walk on two legs
- 14. scientific test done to discover what happens to something in particular
- 15. a community of living organisms
Down
- 2. single celled microorganisms with structure similar to bacteria
- 4. a living thing that can independently maintain its own life functions
- 5. made up of one or more atoms
- 6. large group of mostly unicellular eukaryotic organisms
- 8. cells work together to perform specific function within organism
- 9. the highest rank in the biology classification system
- 11. organisms that can reproduce with one another in nature and produce offspring