Dean Falk's hypothesis suggesting the constraints of upright posture on brain size
A)is called radiation theory.
B)is called aridity cycle theory.
C)is called evolutionary pulse theory.
D)is called punctuated equilibrium theory.
E)proves that the radiator itself led to larger brains.

Question

Quizplus · Accepted Answer

Dean Falk's hypothesis is known as the "radiator theory," which proposes that the adoption of bipedalism (upright walking) in early human ancestors allowed for better brain cooling through changes in blood circulation, indirectly facilitating an increase in brain size.

Dean Falk's Hypothesis Suggesting the Constraints of Upright Posture on Brain