Multiple choice

There are no canines and no lower incisors in

  1. marsupials

  2. horses

  3. elephants

  4. All of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Elephants have a unique dental formula lacking upper incisors (replaced by tusks) and canines, and they also lack lower incisors. Marsupials typically have heterodont dentition including canines, while horses have canines (especially males) and well-developed incisors. This dental pattern is specific to elephants among the options.

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