Across
- 3. a form of protist
- 6. single-celled organism without a nucleus
- 7. a cell virus infects in order to make copies of itself
- 8. genetic material enclosed in a protein coat
- 10. very small single-celled organism
Down
- 1. anther term for microorganism
- 2. a condition that causes harm to a person, plant or animal
- 4. asexual reproduction in which a cell splits into two cells
- 5. the study of very small living things
- 9. a animal like cell
- 11. substance derived from other organism and stops the growth of bacteria