Why do polar bears have clear fur if dark colors absorb heat?
A polar bear's skin is black and the fur is actually transparent. The fur lets light through to the skin where it can be absorbed. Besides, for a lot of the year there isn't enough sunlight to be of much use WRT to keeping warm. White is camouflage, and warm, and there's a layer of blubber below. That's a better way of keeping warm in polar regions.
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Polar bears do not have white fur, but semi-transparent fur. The polar bear's fur seems colourless and for many years, scientists worked on the theory that the individual hair…s act as fiber optics bringing sunlight directly to the skin. This has recently been proven to be incorrect, and the hairs are not truly transparent, but contain keratin. Viewed side-on, the hairs appear colourless; viewed lengthwise (as if one was looking down a telescope) the hairs no longer appear transparent. Polar Bears are white because the sun washed the color out of the sun and turned the fur folicoles white. Actually this is common misconception. Polar bears do not have white fur, rather they have "transparent" hair or hollow tubes as hair that easily reflect the visible light spectrum and make them appear white. Mainly it is for camouflage in the bear's natural habitat, which is snow and ice in order to more easily hunt seals, fish and walrus. Actually this is common misconception. Polar bears do not have white fur, rather they have "transparent" hair or hollow tubes as hair that easily reflect the visible light spectrum and make them appear white. Mainly it is for camouflage in the bear's natural habitat, which is snow and ice in order to more easily hunt seals, fish and walrus.
polar bears fur is white
The color of a polar bear's fur can vary. Colors vary from pure white, to a yellow-like hue. The outer hair is clear. (their skin is black) The fur, which appears to be wh…ite, is actually made up of almostcolorless, almost transparent hairs. However, the hairs are notfully transparent. They contain keratin. Keratin is almost clear but is off-white, the same as your fingernails, which arealso composed of keratin. Viewed side-on, the hairs appearcolorless; viewed lengthwise (as if one were looking down atelescope) the hairs no longer appear transparent. Reflection of the sunlight from the densely packed, almostcolorless hairs makes polar bears appear to be white in a sort ofoptical illusion. The long, coarse guard hairs are hollow, letting the warming raysof the sun reach to the dark skin that acts as a solar heatcollector. The air-filled guard hairs also help insulate the bearsfrom the cold temperatures. The hairs of the thick undercoat arealso nearly colorless, but are not hollow. For many years, scientists operated under the theory that theindividual hair might act as fiber optics taking sunlight directlyto the skin. This has recently been proven to be incorrect. Surprisingly, the polar bears' skin color is black. The bears'black skin absorbs heat from the sun. Under the skin is a thicklayer of fat in healthy individuals. Even in the coldest Arcticweather, the polar bear is very comfortable. The Polar bear canswim in ice laden sea water quite comfortably. It is more in dangerof hyperthermia (over-heating) than hypothermia (freezing). A polor bear has no color to its fur. Their fur is clear hollow tubes and almost not fur at all. It only looks white to the human eye because the sun reflects from it almost the same way water in a pond looks blue because of the sun. This 100percent true and based upon scientific sources. The outer fur of most polar bears is white. However, the skin underneath its fur is totally black. Polar bears fur is clear and is reflected bythe light with the snow and ice. Polar bears have black skin. Clear (I answered in this way and I could go on in the Inpossibly hard puzzle 3 game!)
Polar bear skin is black and the fur is actually clear, lacking in pigment. The white appearance is the result of light being refracted from the clear hair strands.
Dark objects absorb more heat because they are absorbing all othercolors of light. The more light that is absorbed, the more heatthat will be absorbed as well since light is e…nergy.
Yes, it's the refraction of light that causes the fur to appear white
Since Polar bears live in arctic climates surrounded by ice and snow, over the years white fur was naturally selected in their population as a dominant trait that gave a compe…titive advantage. White Polar bears blend in more easily with their surroundings, enabling them to sneak up on their prey and make hunting easier. Non-white Polar bears eventually became extinct because of this hunting disadvantage.. millmillhot321:well,actually their fur is actually not colored. their fur is see-through. it's like a little tube. it's white because of the sun. look up Polar Bears, a book on polar bears that's where i learend it.
Yes. All colors absorb heat. The quantity depends on which color. Darker colors absorb more heat than lighter colors because of differences in light wavelengths.
Because in absorbs your mom.
Polar bears fur is actually clear. The hair of a polar bear looks white because the color white becomes visible to our eyes when an object reflects back all of the visible wav…elengths of light, rather than absorbing some of the wavelengths.
the darker the "color" of an object the greater the proportion of radiant energy it absorbs
The polar bear's fur is only clear when it is in a few strands. When it is piled on top of itself, if reflects all light and becomes white, much like sugar crystals.
I dont know but i think dark colours are more absorbant that light colours i hope this helps