Biomagnification lab Vocab • Toxin~chemical which adversely affects a living thing. • PPM~parts per million Unit of measuring pollutants in a fluid. • Water soluble toxin~can be dissolved in water, thus over time the body can flush it out. • Fat soluble toxin~Toxin which gets stored in the fat tissues of the body thus cannot usually be removed Toxins build up in the body • Bioaccumulation~toxins build up in the body. – Larger organisms can usually withstand a larger dose. • Biomagnification~toxins build up in the food chain, but the larger organisms show a much larger impact. Biomagnification DDT • Highly effective pesticide • Used on EVERYTHING in the 50s Silent Spring • a Osprey Copepod • Zooplankton • Primary consumer • d • d So why isn’t it illegal EVERYWHERE? Mercury • s Sea Mammals struggle with toxins Belugas California Condor Persistant Organic Pollutants (POPs) The dirty dozen…… The natural world celebrating!