Question

Выскажи предположение. Почему белый медведь не совсем белый? Объясни.

Answer 1

Белый медведь не совсем белый потому,что кожа у него черная.А шерсть белая из-за недостатков пигмента.

Answer 2

Потому что у него кожа чёрная. А шерсть белая

Answer 3

Why is the white bear not completely white?

The white bear, also known as the polar bear, is often associated with its iconic white fur. However, it is not completely white. There are a few reasons why the white bear's fur may not appear entirely white:

1. Translucent fur: The polar bear's fur is actually translucent, meaning it does not have any pigment. The fur appears white because it reflects light, giving it a white appearance. However, when light passes through the fur, it can scatter and interact with the air spaces within the fur, causing it to appear slightly yellowish or even grayish in certain lighting conditions.

2. Stained fur: The polar bear's fur can become stained or discolored due to various factors. For example, the bear's fur may become stained from dirt, algae, or other substances it encounters in its environment. These stains can cause the fur to appear less white.

3. Age and wear: As polar bears age, their fur may become yellowish or even brownish. This discoloration is believed to be caused by the oxidation of the fur over time. Additionally, the fur may become worn or damaged, which can also affect its appearance.

4. Environmental factors: The polar bear's habitat is not always pristine white. In certain regions, such as areas with volcanic activity or where the bear comes into contact with soil or vegetation, the fur may pick up particles or debris that can alter its color.

It is important to note that while the polar bear's fur may not be completely white, its coloration is still highly effective for camouflage in its Arctic environment. The white fur helps the bear blend in with the snow and ice, making it less visible to prey and predators.

In conclusion, the white bear's fur is not completely white due to the translucent nature of its fur, staining or discoloration from environmental factors, aging, and wear. Despite these variations in color, the white bear's fur remains well-suited for its Arctic habitat.