1
Q
Rat Order:
Rat Family:
A
Order: Rodentia
Family: Muridae
2
Q
Common name, genus, and species of two rats.
A
Norway Rat, Rattus norvegicus
Black rat, Rattus rattus
3
Q
Describe the path of the Norway and Black rat. Which is more common today, and why?
A
Black rat preceded Norway rat from Asia to Europe to NA. Norway rat displaced black rat due to larger size and aggressiveness.
4
Q
Why were rats domesticated?
A
Rat baiting
5
Q
When did research with rats become more widespread? Who bred rats at which institute?
A
- Henry H. Donaldson and Milton Greenman bred rats at the Wistar Institute to develop rat stocks.
6
Q
What research are rats generally used in?
A
Toxicology, teratological, and carcinogenesis
