Across
- 3. an account of a person's life written by that person
- 4. an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease
- 8. relating to biology or living organisms.
- 10. a poisonous substance produced by a living organism
- 12. a medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms.
Down
- 1. interaction between two different organisms living in close physical association, typically to the advantage of both.
- 2. an account of someone's life written by someone else
- 5. the study of living organisms
- 6. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
- 7. an expert in or student of the branch of science concerning living organisms
- 8. having artificial body parts, especially electromechanical ones.
- 9. the animal and plant life of a particular region, habitat, or geological period
- 11. an area classified according to the species that live in that location