Yes. All frogs are amphibians.
Yes, bullfrogs are amphibians.
No. Frogs are amphibians.
No. Only mammals have mammary glands. Bullfrogs are amphibians, not mammals.
jumping?
Yes they do .
bugs
swamps, ponds, and lakes
"Bullfrogs have teeth in the roof of their mouth and a muscular tongue capable of flipping prey into their mouth" according to: http://www.grizzlyrun.com/Pets/Amphibians/Frogs/Bullfrog/Default.htm
They come out of a little squishy egg.
they scare you
Sometimes wet, Sometimes dry.
Bullfrogs are amphibians, so they live at the junction of land and water. They must return to the water to survive, but they can be out on dry land for a little while.