The Physical Adaption Source

Nodos de los diagramas

• Adapted new bipedal posture

• larynx migrates downwards

• resulting in the creation of a cavity, the pharynx

• increases resonance; broader range of sound

• superior clarity of sound

• more functions for fore limbs

• Con: created the possible risk of choking on food; a hazard not faced with primates who are predominantly quadrupedal