About 150 million.
60 - 100 million.
well all i know is that dogs get experimented on
SO many that your head would explode if i actually told you the real number.
Normally, very bad.
As many as 115 million animals are experimented on and killed in laboratories in the US. every year Don't know how many in the whole world here is a website for a more accurate idea.http://www.stopanimaltests.com/animalTesting101.asp
Beagles are the dog most experimented on.
Because we are mammals. Products and/or drugs tested on other species would not give any pertinent results.
A lot of people have experimented with electrolysis, me being one of them.
mendel experimented with to learn about genetics
He experimented with pea plants.
Who really knows... only the people experimenting on them truly know their own reasonings behind it but for the most part we hear about animals being used to test out vaccinations or hair and makeup products things such as these.
Yes, many people have experimented and it has worked.