Medical Definition of PREFRONTAL CORTEX. : the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.ADVERTISEMENT.noun. the gray matter of the anterior part of the frontal lobe that is highly developed in humans and plays a role in the regulation of complex cognitive, emotional, and behavioral functioning.
What do Seals Eat? Seals find the foods that they need in the water around them, which is why you will only find them where there is plenty of water. Their primary sources of food include fish but they will consume just about any type of meat they can get in the water. Other types of food that they enjoy include squid, octopus, and shellfish. Sometimes food sources are low due to the big ships fishing for such items in the same waters as the seals hunt.
Ice is a must. Both polar bears and ringed seals depend on it. 1  Polar bears' lives are a cycle of feasting and fasting. 2  When hunting is good and a polar bear is in good body condition, the bear will eat only the seal's blubber and skin.3  A polar bear can eat 100 pounds of blubber in a single sitting!oth polar bears and ringed seals depend on it. 1  Polar bears' lives are a cycle of feasting and fasting. 2  When hunting is good and a polar bear is in good body condition, the bear will eat only the seal's blubber and skin. 3  A polar bear can eat 100 pounds of blubber in a single sitting!