Across
- 3. the use of living organisms or other biological systems
- 6. An organism, cell, virus, or gene resulting from genetic mutation.
- 7. the ability not to be affected by something
- 13. the science or occupation of farming
- 14. a disease transmitted only by a specific kind of contact
Down
- 1. a microorganism
- 2. not infectious
- 4. number of people in a geographic area.
- 5. the process whereby organisms better adapted to their environment tend to survive
- 8. prevalent over a whole country or the world
- 9. a person's child or children.
- 10. rules of behavior based on ideas about what is morally good and bad
- 11. keep things healthy and clean
- 12. Spreading rapidly and extensively by infection and affecting many individuals
- 15. reproductive unit capable of giving rise to a new individual without sexual fusion