Extra Credit Question +2 pts (instructor graded): From the v…

Extra Credit Question +2 pts (instructor graded): From the video for Ch 44 provided on your module, what is the name of the doctor, who in 1994 was the Executive Director of the United Nations Funding and Development; her goal was to help underprivileged women develop family-planning to possibly improve the quality of their lives.

This chart shows the PCB concentrations found at the various…

This chart shows the PCB concentrations found at the various trophic levels in the Saginaw Bay ecosystem of Lake Huron. Notice that the fish in the higher trophic levels accumulate more PCBs than those in lower trophic levels. (credit: Patricia Van Hoof, NOAA) Other examples are:  DDT (pesticide) accumulating in birds of prey (raptors), Mercury levels being too high in mackerel, etc. What does the figure below demonstrate?