Across
- 1. Gel-like substance that holds all the organelles in place
- 5. organelle of cellular respiration
- 7. one organism benefits, the either is neither hurt nor helped
- 8. smallest unit of life
- 10. one organism benefits, the other is harmed
- 13. the cycle describes the continuous movement of water in the Earth system
- 17. simple single cell organism that lack a nucleus
- 18. living factor in an ecosystem
- 20. smallest unit of matter
- 21. nonliving factor in an ecosystem
- 23. completing YOUR own experimentation again
- 24. untested possible explanation of a question
- 26. organelle of photosynthesis
- 27. completing another persons' experiment again
Down
- 2. explanation of observations or events; answers why
- 3. an organism that can make its own food
- 4. group of specialized tissues
- 6. variable that is changed in experiment
- 9. describes a pattern or an event in nature; answers what
- 11. a close, long term relationship
- 12. organelle that stores water, food, and waste
- 14. organism whose cells have a nucleus
- 15. variable that is measured in experiment
- 16. both organisms benefit in symbiotic relationship
- 19. cycle in which carbon is exchanged among the earth system
- 22. organism that feeds off dead or decaying matter
- 25. organelle where DNA is kept in a cell