Multiple choice There are no canine and no lower incisors in ________. marsupial horse elephant All of the above Reveal answer Fill a bubble to check yourself C Correct answer Explanation Elephants lack both canine teeth and lower incisors. They only have upper incisors modified into tusks and molars for grinding. Marsupials, horses, and most other mammals have canines and/or lower incisors in their typical dentition.