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.
Spiders are animals that have 8 legs and use their fangs to inject venom into other animals and sometimes humans. But what do spiders eat? This post will answer that question, and also look at some interesting facts about spiders. What do spiders eat? Different species of spiders eat different things. Most species trap small insects and other spiders in their webs and eat them. A few large species of spiders prey on small birds and lizards. One species is vegetarian, feeding on acacia trees. Some baby spiders eat plant nectar. In captivity, spiders have been known to eat egg yoke, bananas, marmalade, milk and sausages. Interesting Facts About Spiders