人与自然 发表于 2014-9-7 16:35

五彩缤纷的透明生物,晶莹剔透!

本帖最后由 人与自然 于 2014-9-7 16:38 编辑

http://www.dailymail.co.uk/sciencetech/article-2741984/The-creatures-hide-Photos-reveal-transparent-animals-rely-invisibility-protect-predators.htmlFrom fish to frogs, many of the world’s most intriguing animals have transparent skin.While scientists are not entirely sure how the animals evolved, it is thought that transparent skin helps the creatures blend in with their habitat.The development of invisible skin gives these animals, which are often prey, an advantage because they are able to escape a predator's gaze. http://i.dailymail.co.uk/i/pix/2014/09/03/1409744929182_wps_13_PIC_BY_VALERIE_TAYLOR_ARD.jpg
Ghostly: Almost all ocean animals that do not have teeth, toxins or the ability to speed away from predators have some degree of invisibility, said Sönke Johnsen, a scientist and writer for Scientific American. A white shrimp is pictured

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Baring all: Manycreatures rely exclusively on their invisibility, such as the jellyfish pictured right, and the amount of light that is able to pass through their bodies ranges from between 20 per cent to 90 per cent. Fleischmann's Glass Frog (pictured left) is native to the cloud forests of Central and South America. Its vivid green translucent skin and the majority of its vital organs are clearly visible

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Jelly baby: This box jellyfish is made from a gelatinous material which helps it blend in with its watery surroundings. The material largely incompressible in water, so it allows the creatures to live in highly-pressurised depths, but is buoyant enough to let them float. Its gelatinous body is non-living, so needs very little energy, allowing transparent animals to survive on very little food
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Mysterious: Among the transparent creatures photographed wasa Raja Binoculata, also known as a Big Skate (pictured) which was spotted in San Pedro Bay, California and a Glass Wing butterfly which was found resting on a leaf in Ecuador

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I can see clearly now: Transparency is usually found in pelagic animals – those that live in the sea or in lakes. Such animals range in size from an inch to larger than a basketball. It is possible to see this glass fish's internal organs if you look carefully
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See-though creatures, such this white shrimp, are occasionally spotted because of the contents of their stomachs or the occasional flash of colour or iridescence, but are on the whole largely invisible a matter of inches away.

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Invisible benefits: The main advantage of being see-through in the open water is that it provides camouflage at all depths and from all angles. A skate is pictured left and elegant hydromedusa jellyfish, on the right

http://i.dailymail.co.uk/i/pix/2014/09/03/1409745082593_wps_32_PIC_BY_HANS_DOSSENBACH_AR.jpg
Nothing to hide! One photographer snapped a Glass Wing butterfly which was found resting on a leaf in Ecuador (pictured. Many butterflies have transparent wings, but invisible body parts are more common in animals that live below the waves and in lakes

初中数理化 发表于 2014-9-7 17:14

换角度欣赏,不错

初中数理化 发表于 2014-9-7 17:15

那个大虾,真是纯洁啊

李乾坤 发表于 2014-9-9 07:53

不错,支持。
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