Mammalian teeth

Question 1

Armadillos, anteaters, and Sloths (Edentata) teeth is like what? What do they feed on

Answer 1

-teeth absent or reduced
-feed on termites & ants

Question 2

Most mammals have heterodont teeth, meaning?

Answer 2

teeth specialized for different functions

Question 3

What are Incisors like? used for?

Answer 3

-most anterior, chisel-like
-used for gnawing & nipping

Question 4

What are Canines like? used for?

Answer 4

-long, stout, conical
-used for catching, piercing, & tearing prey

Question 5

What are Premolars and Molars like? used for?

Answer 5

-used for shearing, crushing, or grinding

Question 6

Most mammals grow 2 sets of teeth, a temporary set called ________ or _______ that is ________

Answer 6

deciduous or milk teeth that are replaced by a permanent set

Question 7

What is not deciduous?

Answer 7

-molars

Question 8

What is the dental formula for humans

Answer 8

2-1-2-3 | 2-1-2-3 (incisor, canine, premolar, molar)

Question 9

What is the dental formula for beavers

Answer 9

1-0-1-3 | 1-0-1-3

Question 10

Carnivores have what?

Answer 10

large carnassials for slicing meat

Question 11

Rodents (Rodentia) have what?

Answer 11

-incisors that grow throughout life
-enamel on front surface of incisors that allow back of tooth to wear down at a faster rate keeping the teeth sharp