Fact 1: Amphibians have permeable skin that easily absorbs substances from the environment.

Fact 2: Frogs, toads and salamanders are amphibians.

Given the two facts above, answer the question "What have permeable skin that easily absorbs substances from the environment?" with the following options: 
- crocodiles
 - ferns
 - animals
 - humans
 - toads
 - viruses
 - a fish
 - bats


 

     toads    