BIOL 111 Lecture Notes - Lecture 8: Overfishing, Samsung Galaxy S Iii
Document Summary
Ways to study food webs (cid:8869) direct observation ( scuba diving , video cameras) (cid:8869) dietary analysis ( gut analysis (fatty acids chemical tracers (cid:8869) a feces) , pollutants) disturbances (cid:8869) removal (cid:8869) disease of species (hunting , overfishing etc ) (cid:8869) displacement of native species by invasive species (cid:8869) severe weather ecological pyramids. I (cid:8869) only a tiny amount of energy stored from photosynthesis flows through to tertiary consumers. : concentration of toxins as they pass through the food chain. I cotsequencesofbeinga-tthe. to: food contains pollutants leg . heavy. * persist ant pollutants don"t degrade fat - soluble pollutants easily.
