You are presented with the question "what has permeable skin that easily absorbs substances from the environment?" and the following answer choices: 
- cats
 - a fish
 - toads
 - ferns
 - dogs
 - humans
 - animals
 - bats

Now knowing that amphibians have permeable skin that easily absorbs substances from the environment and toads and frogs are both amphibians, choose the best answer.


 

   toads      