B. Conformers and Regulators have different strategies for maintaining internal environments 1. Energy input is required to maintain the internal environment. In any one setting many coping mechanisms would be maintained without use.
Competition takes place in the local setting.
A. A set point is established within the range of optimum of the internal range of tolerance. B. Fluctuations from that set point are sensed by the organism C. Physiological mechanisms come into play to return the internal environment to within the range of tolerance. What mechanism is used. Two hypothesis presented. Constant temp for proper development of reproductive structures.