In mammalian brain anatomy, the prefrontal cortex (PFC) is the cerebral cortex which covers the front part of the frontal lobe.The PFC contains Brodmann areas 9, 10, 11, 12, 46, and 47. third definition of the prefrontal cortex is the area of frontal cortex whose electrical stimulation does not lead to observable movements. For example, in 1890 David Ferrier used the term in this sense.
The blubber helps to keep them warm since they live in a very cold environment.   When harp seals are born, they have a white â¦ fur coat. The fur coat camouflages into the snow to protect them from their enemies on land.
Pinnipeds are found all over the world, and there are 33 known species of them. 19 are seal species. This is due to the fact that they have winged feet. Depending on the species of seal, there is quite a difference from the sizes.The largest ones can be about 16 feet long with the smallest of them being about four feet long.The terminology for seals includes males being called bulls, females being called cows, and the offspring being called pups.owever, there is still a great deal of research that has to be done in that field. One of the most common types of seals is the gray seal. There are more of them than any other, and their numbers continue to increase annually. However, there are many other species of seals that are in jeopardy of extinction.