TROPHIC Total Energy Amount of AUTOTROPH? LEVEL (kcal) DDT in each OR Producer or in each organism HETEROTROPH? consumer? trophic (ppm) Quaternary, level tertiary, secondary, Take energy in primary? previous level X 0.1 Phytoplankton (100) 200 kcal X 200 kcal 100 energy/organism = 20,000 kcal Copepod (20) (zooplankton) Eat 5 phytoplankton Minnow (6) Eat 4 zooplankton Eel (2) Eat 2 minnows Osprey (1) Eat 2 eels Analysis and Conclusion:
Amount of DDT in each organism (ppm) Total Energy (kcal) in each trophic level Take energy in previous level X 0.1 AUTOTROPH? OR HETEROTROPH? TROPHIC LEVEL Producer or consumer? Quaternary, tertiary, secondary, primary? Phytoplankton (100) 200 kcal energy/organism 200 kcal X 100 = 20,000 kcal Copepod (20) (zooplankton) Eat 5 phytoplankton Minnow (6) Eat 4 zooplankton Eel (2) Eat 2 minnows Osprey (1) Eat 2 eels Analysis and Conclusion: