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.
Quick Answer. Wolves are not as numerous as they were hundreds of years ago. According to Defenders of Wildlife, scientists estimate that there are about 200,000 wolves living throughout the world. About 5,000 live in the lower 48 states of the United States, while between 7,000 and 11,000 live in Alaska.