Unit 4: Ecology (TOXINS THAT BIOACCUMULATE!)

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Last updated 8:16 PM on 6/13/26

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1

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Name one type of toxin / chemical that bioaccumulates:

DDT

2

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What is a byproduct of DDT and considered a “legal replacement” for DDT?

DDE

3

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Name another type toxin / chemical that bioaccumulates:

PCBs.

4

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What type of toxin is found as an insecticide on cotton, that bioaccumulates?

Toxaphene.

5

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What type of toxins are heavy metals, and found in fish, that bioaccumulates?

Mercury (usually found in fish) & arsenic.