Final answer:
The final step in Dr. Stan Curtis' resource prioritization for farm animals when resources are limited is reproduction. This approach aims to efficiently use resources and sustain farm viability while enhancing farmers' and societal quality of life.
Step-by-step explanation:
In Dr. Stan Curtis' prioritization of resources approach, reproduction is the final step, or final function, in the allocation of resources within most farm animal species when resources are lacking or are becoming limited. Animals prioritize their biological functions in such a way that the most critical needs for survival are met first, like maintenance, followed by growth, and finally, if resources permit, reproduction. This approach is designed to make the most efficient use of nonrenewable resources and on-farm resources, and integrate natural biological cycles and controls where appropriate, with the aim to sustain the economic viability of farm operations and enhance the quality of life for farmers and society as a whole.