12 MEDICAL DEVICE REGULATIONS In Canada, devices of classes III and IV are subject to in-depth regulatory scrutiny,while class II devices require only the manufacturerâs declaration of device safety andeffectiveness before sale.
No problem: Polar bears in the study were seen swimming distances of 90 miles without any problems - and some bears went a lot further Scientists discovered that during the summer months, when sea ice is at its minimum, the bears were swimming farther and for longer periods of time than ever before in search of new hunting grounds.
It can also be found in the grassland biome. Finally polar bears live in the tundra region. They are big, fluffy, white bears that can grow 7 - 8 feet tall. They prey upon large and small mammals, fish, birds, berries and leaves. Polar bears are found in the coasts, tundra, living on shore line and ice floats.