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Bioaccumulation
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Created on April 19, 2021
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Transcript
Infographic
Bioaccumulation
Definition
Its the accumulation over time of a substance and especially a contaminant (such as a pesticide or heavy metal) in a living organism.
Example 1
PCBS threaten Oscars
The heavy concentration of PCBS in the ocean threaten Killer Whales as they are constantly exposed to high amount of PCBS
+ INFO
Example 2
Bioaccumulation caused biomagnification occured in an insecticide known as DDT. DDT is an insecticidethat was sprayed within the u.s. before 1972 to control the populations of insects .Levels of DDT were too much that the birds' eggshells became too thin. As a result, the birds broke the shells of their unhatched offspring and the infant birds died. Their numbers decrease greatly.
Cause and Effect
- The uncontrol of the PCBS waste-Threaten Ocean Creature
- Essesive use of pesticle-Cause chaos in the ecosystem
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