The outermost layer of the brain, the is housed in the cerebrum.

The correct answer that would complete the given statement above is cerebral cortex. The outermost layer of the brain, the cerebral cortex, is housed in the cerebrum. The cerebral cortex consists of folded gray matter. It is responsible for the interpretation of input from different sources. The cerebral cortex lobes include the parietal, frontal, occipital and temporal lobes.

They include lobsters and crabs