Look at
the polar bear hair under the microscope
Polar bears are covered with a heavy
fur, except on their noses and the
pads of their feet.
A
The transparent guard
hairs are long, hollow
and water repellant.
b
The transparent
underfur is short,
woolly and close
to the skin.
Polar bear hair through stereoscope, K. Kivinen-Newman, Science North