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Transcript
SCIENCE 9 Bioaccumulation Synthetic ( environment when process. ) and organic chemicals in the cannot break them down through biodegradation Bioaccumulation is the the of living organisms. A chemical will accumulate if it is faster than it is Chemicals can enter organisms through of these chemicals in Chemicals are typically stored in the of organisms but are released from storage when the fat is burned for energy These chemicals can be harmful to the organism if they are not (chemically changed) or are not in the feces or urine Synthetic and organic chemicals can affect the system, system and system and may cause birth defects in offspring Chemicals can affect whole ecosystems, especially if a keystone species is harmed Keystone species – a species that greatly affects the population numbers of other organisms as well as overall health of the ecosystem o Example: Biomagnification is the process in which chemicals not only accumulate but also become .