Different parts of the brain control different functions. Cancer treatments, including chemotherapy, can produce certain effects on these areas of the brain, including impaired cognitive skills, chemo-induced seizures, and memory loss. The cerebral cortex is a sheet of tissue that makes up the outer layer of the brain.
There are three species of wolves: the Red Wolf, the Gray Wolf, and the Ethiopian Wolf. There are a lot more subspecies of wolves, such as: Mexican Wolf.
How many gray wolves are in the United States? Biologists believe that more than 5,500 gray wolves remain in the lower 48 states. Currently, populations exist in Alaska, Montana, Wyoming, Idaho, Minnesota, Wisconsin and Michigan. According to Defenders of Wildlife, Alaska's wolf population is estimated to be between 7,000 and 12,000.