The term LIKE CERTAIN SEALS can be broken down into two crossword solutions: EARED (5 letters) and EARLESS (7 letters). EARED seals are a type of aquatic mammal that have external ear flaps, while earless seals lack these flaps. These animals are found in both the Arctic and Antarctic regions, and they are known for their ability to swim and dive underwater. Earless seals are also known as 'true seals' or 'phocids, ' while EARED seals are referred to as 'sea lions' or 'otariids.'