one!
Yes. Many do. After all we are animals.
Do you mean the letter U or the word you..? Because if you mean the letter U then there are many possible animals.
It is possible, but unlikely.
Many animals can accomplish that feat with ease!
16
Three possible ways. Let's name our animals A, B, and C: A-B A-C B-C
It is possible to be attracted to children, that is called pedophilia. It also is possible to be attracted to animals, that is bestiality.
It is possible for some animals like the mocking bird or a parrot. But not all animals can mimick human speech.
well, animal testers like to find as many animals as possible to test so they are not usually looking for a specific animal
All animal species have not yet been discovered so it is not possible to know.
It's possible, since humans can die of fright and likely many other animals.
Typically one skull per vertebrate, although, possible deformatites may make it possible for a vertebrate to have more than the norm.