Intro to Teeth

1
Intro to Teeth

• Chomp chomp chew

2
Naming teeth
3
Animals teeth varies based on type of diet

• Piscivores (fish eaters)-many pointy teeth

Gar

• Carnivores (meat eaters)-serrated teeth or sharp
  beak or teeth to slice and swallow

Eagle
Barracuda
Cougar
4

• Herbivores (plant eaters)-Deer, horses, rodents
  rabbits have flattened, nearly identical
  pre-molars molars. These teeth have exposed
  enamel dentine ridges on their surfaces to
  grind plants.  Rodents have ever-growing incisors
  for gnawing plants or wood.

horse
rabbit
iguana
5

• Durophagous (hard or shelled prey)-broadly
  rounded, short and conical

Caiman lizard

• Insectivores (insect eaters)-for hard-bodied
  insects, predators have V or W shaped teeth for
  soft-bodied insects, teeth are reduced, insects
  are retrieved with tongue

armadillo

• Planktivores (plankton eaters)-shovel-like bills
  or baleen

Shoveler (bird)
Baleen whale
6

• Omnivores (plant and animal eaters)-
• Primates (including humans) and pigs are good
  examples.  
• Pre-molars molars have small cusps for
  grinding, but are not otherwise highly
  specialized. 
• Canines may be short or long may be used for
  function unrelated to killing prey.

primate
pig
Human