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.
The jumping spider is typically found in tropic regions. The tropic regions that they are found in are very different, anywhere from the rain forest to the Himalayas. The jumping spider can be found anywhere in these climates, if its day the spider can be found on the ground, on rocks, in the grass, or on trees.At night or if it is raining, the jumping spider will hide under rocks or a small web.he jumping spider is often mistaken for being dangerous, but in reality they are not. The jumping spider is not poisonous to humans. Like a wolf spider, the jumping spider typically does not attack humans unless they feel threatened or in danger.