Which animal was used to detect pregnancy in the middle of the 20th century?
Correct answer: Toad
Trini
Player #3759372, what happened to the rabbit test?
moose
frogs and toads are not the same thing
Ali *Regulus* Mirza
Why, then, include toad, instead of frog, as a choice, huh???
Player #3759372
Player #40919855, toads are amphibians