<span>The crust and the upper layer of the mantle together make up a zone of rigid, brittle rock called the lithosphere. </span>
<span>The puma's order is Carnivora. In Latin carnivora translates "to devour flesh." In other words it is a meat eater. Almost all meat eating mammals are classified under the order of Carnivora, and all of the cats in the world are under the order Carnivora as well.</span>
Its true that the cerebral cortex is the highest portion of the brain.
Organ systems is the answer
