Amphibians have a semi-permeable skin. They absorb the moisture they need through their skin, and excrete any excess as urine.
because they are anphibians and need water
Salamanders are anphibians
plants excrete by giving out oxygen
no they dont
yes
no
normally anphibians live in VERY near water and can travel thraough land soo with the near water condition "yes"
No they do not have scales or hair
Snails are invertebrates. :)
frog or newt
yes
a herpetologist