Across
- 4. n. the quality of having a harmful influence.
- 5. type of marine crustacean
- 7. adj. of or relating to the essential nature of a thing.
- 8. n. a visible trace of something that once existed
- 10. and smallpox: highly contagious
- 11. like a single-celled organism that moves about freely
- 12. the quality of being old
Down
- 1. capable of doing something through inheriting the skill genetically
- 2. extreme persistence
- 3. large numbers of something
- 6. adj. unusual; different from the norm.
- 9. to do with insects