Almost every time they can live peacfullt together just give them both enough room for themselves feed them what they each need and make sure they have plenty of water. Sometimes you might have to separate them for feeding.
the lizard and the frog might fight and be nasty to eachother.
A jar.
yes you can take a frog out of its cage
a lizard
they are animalia
yes
lizard tracks are long and skinny, while frog tracks are short and wide.
they slip threw the cage
yes
Amphibian.
snake fish lizard bird frog
Nothing
No, you would have to put a frog on your face to have that happen.