HELP Imagine going outside on a cold day without a jacket. Explain your body’s homeostatic control system response to this in terms of the four components: the sensor mechanism, the control center, the effector mechanism, and the feedback control loop.

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures