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6. are found inside your digestive system that help you
10. changes nitrogen from the air into forms that plants and animals can use
12. prevent bacterial diseases
13. heating to a temperature that kills most of the harmful Bactria
16. any organism that causes disease
17. uses dead organisms as food and energy sources

1. make there own food using carbon dioxcide water and energy from sunlight.
2. is a process that produces two new cells with genetic material that is identical to each other and that of the original cell
3. structures like roots to hold them in as the roots of plants to Bactria these have
4. however when light is not presented it can feed on Bactria and other proteins
5. using organisms to help clean up or remove environmental pollutants
7. produces thick wall substances
8. limits the growth of Bactria
9. poises substance
11. algae contains brown pigments in addition to chronological usually found growing in cool
14. a organism that uses oxygen when breaking down food
15. found in freshwater and saltwater