Are fish amphibian
No, it is a shark, which are primitive fishes.
A porpoise is an aquatic mammal.
yes
A Whale is not a fish brainiac... It's a mamal.. NOTE THE BLOW HOLE :) I would say a shark.
An amphibian.
No. It's a reptile.
no it is a forest amphiban
something smaller, like a squirrel? or maybe something non mamal, like a fish?
no, a cat can not breathe under water
A porcupine is a mammal because it does'nt meet all the characteristics of the others
you are a mamal