What are they?
They're GILLS
What is animal group?
MAMMALS
Are they wings?
No, they aren't. They're feathers
What are they?
They're WINGS
What is it?
SKIN
What cover all animals' body?
FUR
What are they?
They're EGGS
What animal group the frog is in?
AMPHIBIANS
what are they?
They're SCALES