<Ul> <Li> Order Pholidota: pangolins or scaly anteaters (Africa, South Asia) </Li> <Li> Order Carnivora: carnivores (cosmopolitan), including cats and dogs </Li> </Ul> <Li> Order Pholidota: pangolins or scaly anteaters (Africa, South Asia) </Li> <Li> Order Carnivora: carnivores (cosmopolitan), including cats and dogs </Li> <Li> Clade Euungulata <Ul> <Li> Order Cetartiodactyla: cetaceans (whales, dolphins and porpoises) and even - toed ungulates, including pigs, cattle, deer and giraffes </Li> <Li> Order Perissodactyla: odd - toed ungulates, including horses, donkeys, zebras, tapirs and rhinoceroses </Li> </Ul> </Li>

What two features do mammals have that other vertebrates do not have