Which of these make up approximately 40% of mammalian species?
Correct answer: Rodents

Kira
I had no idea there were so many

CyanJaguar62
Player #57750688, but usually AFTER they get the disease from a rodent -- Bubonic Plague is an excellent example.

Player #57750688
Marcy, So can humans!!

Taliesin12
I LOVE guinea pigs and squirrels !

Marcy
some rodents can spread deadly diseases