Scintillating Scotoma. (Migraine Scotoma). A scotoma is a âblind spotâ in front of the vision. The visual phenomenon of scintillating scotoma usually appears like a âtwinkling shadowâ or âzig zag patternâ before the eyes.While every experience is a little different, the most common symptoms are âblack spotâ or âtwinkling blurâ appearing before the eyes.he visual phenomenon of scintillating scotoma usually appears like a âtwinkling shadowâ or âzig zag patternâ before the eyes. While every experience is a little different, the most common symptoms are âblack spotâ or âtwinkling blurâ appearing before the eyes.
Cancel. Spiders live all over the world, including trees, dry areas, wet areas, under ground and in the oceans. Discover the different varieties of spiders on the earth with information from a science teacher in this free video on spider habitats.ancel. Spiders live all over the world, including trees, dry areas, wet areas, under ground and in the oceans. Discover the different varieties of spiders on the earth with information from a science teacher in this free video on spider habitats.
There are two families of Camel spiders in North America. Both contain numerous sub-species. However, as camel spiders are only found in deserts, grasslands and beach dunes. On a micro-habitat level habitats that are considered xeric. In the 2006 issue of Journal of Arachnology, a list with places where camel spiders were found is listed. The places where you are most likely to eoncounter a solifugae are: California, Texas, New Mexico, Texas, Colorado, Nebraska, Wyoming, Oklahoma, Nevada, Montana, North Dakota and South Dakota.