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Spider Man |
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" LEARN MORE, BE MORE " |
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Last-Modified: 03/29/09 11:23 - |
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SPIDERS - any member of the order Araneida, or Araneae, of the class Arachnida. Spiders differ from the insects, another arthropod group, in having eight legs rather than six and in having the body divided into two parts rather than three. The use of silk is highly developed among spiders. About 34,000 species have been described; the world's spider fauna outside northern Europe, Japan, and North America, however, has not been thoroughly collected and studied. |
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Spiders are predators, feeding almost entirely on other arthropods, especially insects. Many spiders that are active hunters and overpower their prey have a well-developed sense of touch or sight. Others construct silk snares, or webs, to capture prey, sometimes in larger numbers than can be consumed; webs, constructed instinctively, effectively trap flying insects. Many spiders are able to inject venom into their prey to kill it; others use silk to overpower prey. |
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SPIDER An arachnid of which there are over 30,000 species. The body consists of a fused head and thorax (cephalo thorax) and a rear abdomen separated by a narrow waist. There are eight legs, up to eight eyes, and several pairs of spinnerets, which produce silk for making webs, cocoons, etc. Spiders prey mainly on insects, trapping them in their webs and killing them with poison-bearing fangs; in a few species the poison is harmful to man. The female is usually larger than the male, which she sometimes eats after mating. See black widow; tarantula; water spider; wolf spider. |
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Biography: This site, Foogle Business, is mainly a political site but it is also an interesting information data bank. We have included, lots of classic Music that you can listen to whilst you Surf.
♫
SURF&LISTEN
♫ The subject here, the cult Comic Book Character SPIDERMAN. |
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HOUSEFLY - Musca domestica, a common insect of the family Muscidae - order Diptera. About 90 percent of all flies occurring in human habitations are houseflies. Once a major nuisance and hazard to public health in cities, houseflies are still a problem wherever decomposing organic waste and garbage are allowed to accumulate. The adult housefly is dull grey with dirty-yellowish areas on the abdomen and longitudinal lines on the thorax. Body size ranges from about 5 to 7 mm - 0.2 to 0.3 inch, and the conspicuous compound eyes have approximately 4,000 facets. Because it has sponging or lapping mouthparts, the housefly cannot bite; a near relative, the stable fly, or Horse Fly, however, does bite. The housefly can walk on vertical window panes or hang upside down on a ceiling probably because of the surface-tension properties of a secretion produced by tiny glandular pads - pulvilli, beneath each claw on the feet. The female deposits more than 100 slender whitish eggs - 0.8 to 1 mm long, at a time, producing between about 600 and 1,000 eggs in her life. These eggs hatch in 12 to 24 hours. After several moults the dirty-whitish maggots or larvae are about 12 mm long, and transform into pupae. The adults, when developed, expand a pouch - ptilinum, on the head and break off the end of the puparium to emerge. Houseflies may carry on their feet millions of micro organisms that, in large enough quantity, can cause disease. Garbage, manure, and similar wastes that cannot be made inaccessible to flies can be treated with larvicidal drenches or dusts. Residual insecticidal sprays are effective against flies for several weeks; however, some houseflies have developed resistance to certain insecticides, such as DDT, once the most famous insecticide in the world. |
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