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Match the following items.


1. The study of algae

Thallus

2. Pathogenic RNA molecule

Pathogen

3. Single virus unit

Anaerobic

4. Concentration of salt in water

Lysis

5. Scientist who studies viruses

Phycology

6. Without free oxygen

Parasite

7. Structure of alga

Salinity

8. Rupturing of a cell

Virologist

9. Organism which causes disease

Viroid

10. Organism which lives in or on another organism

Virion