B4.2.8—Dentition and diet in Family Hominidae
Hominid dentition reflects diet because incisors slice, canines tear and premolars or molars grind food of different toughness in feeding.
- Syllabus
- First assessment 2025
- Objective
- B4.2.8
- Level
- HL
Concept essentials
- Incisors slice food, while canines tear or pierce.
- Premolars and molars crush and grind food.
- Robust jaws and large grinding teeth can indicate tough plant diets.
- Human dentition is consistent with omnivory and reduced canine size.
ConceptIB Biology HL