Across
- 4. Hooke person to look at a cell through a microscope
- 7. Through a host which are cells
- 9. The most basic level of organization in the classification of organisms
- 10. A substance used in a vaccination that consists of pathogens that have been weakend
Down
- 1. The scientific study of how living things are classified
- 2. killed but still trigger the body to produce chemicals that destroy the pathogens
- 3. The basic unit of structure and function
- 5. A living thing
- 6. How they obtain food, types of cells, and number of cells
- 8. only has one cell