Across
- 5. objects that helped rats develop thicker cortical brain tissue
- 6. institute that bred the first standard rat strain for research
- 8. scientific studies where rats are used as subjects
- 11. queen associated with Jack Black the rat catcher
- 13. genetic material shared between rats and humans
- 14. devastating epidemic that killed millions in Europe
- 16. a term often used to describe unwanted pests like rats
- 17. rodents that have a long entangled history with humans
- 18. insects that transmitted the plague bacterium
- 19. brain's ability to adapt and change due to learning
Down
- 1. continent where brown and black rats originated
- 2. mode of transport that helped spread rats globally
- 3. term used to describe rats and other pests
- 4. substances Jack Black lectured about for catching vermin
- 7. activity that facilitated the spread of rats between continents
- 9. social partners that influenced rat brain development
- 10. efforts made by humans to control rat populations
- 12. showman who claimed to be Queen Victoria's rat catcher
- 15. common habitat for rats in urban areas
- 20. age, period when rats survived and adapted to harsh climates