Q1) Rats are various medium sized __?__.

Q3) True rats" are members of the genus Rattus, the most important of which to humans are the Black rat and the __?__ rat.

Q4) Rats are distinguished from mice by their size; rats generally have bodies longer than 12 cm (5 inches). True or False?

Q5) Squirrels are also classified as a rodent;but, are not in the same "Family" (taxonomy) as rats. True or False?

Q6) Rats on average weigh __?__ pound. (kg?)

Q7) Wild rats living in good environments are typically healthy and __?__ animals. Predators maintain population control.

Q8) Wild rats living in cities may suffer from poor diets and internal parasites and __?__.

Q9) Rats can carry over __?__ different diseases dangerous to humans.

Q10) Rats have a significant impact on food production. Estimates vary, but it is likely that about __?__percent of the world's total food output is eaten, spoiled or destroyed by rats.