Final answer:
Humanity's occupancy on Earth was characterized by Stage 1 of the demographic transition, which is characterized by high birth and death rates.
Step-by-step explanation:
The majority of humanity's occupancy on Earth was characterized by Stage 1: High birth rate and high death rate of the demographic transition.
During this stage, both the birth rate and death rate are high, resulting in slow population growth. This stage is typically associated with rural, pre-industrial societies.