What is the key defining dental feature for all members of the order Rodentia?
Answer
A single pair of continuously growing incisors in both the upper and lower jaws
The characteristic that links all rodents, including squirrels, is their set of front teeth that grow constantly, necessitating continuous gnawing to keep them worn down.
Related Questions
To which mammalian order do common squirrels belong?What is the key defining dental feature for all members of the order Rodentia?What is the specific taxonomic family where squirrels are classified?Which groups, besides tree squirrels, are encompassed by the family Sciuridae?Which subfamily within Sciuridae traditionally contains the species most commonly associated with tree dwelling?How do flying squirrels achieve their movement, as noted in the Pteromyinae subfamily?Which Sciuridae subfamily is characterized by larger, stockier, and often terrestrial animals like marmots and prairie dogs?What highly adaptable dietary characteristic is noted for the Sciuridae family?For the Eastern Gray Squirrel (*Sciurus carolinensis*), what is the grouping immediately below the Family level?What defining requirement must a squirrel meet to be classified in the Class Mammalia?