What is biomagnification?

HBio - Energy Transfer and Biomagnification

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Science
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9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Biomagnification is the process by which the concentration of toxic substances increases in organisms at each successive level of the food chain.
2.
FLASHCARD QUESTION
Front
What is bioaccumulation?
Back
Bioaccumulation refers to the accumulation of substances, such as pesticides or other chemicals, in an organism. It occurs when an organism takes in chemicals faster than it can eliminate them.
3.
FLASHCARD QUESTION
Front
What is the difference between bioaccumulation and biomagnification?
Back
Bioaccumulation is the build-up of chemicals in a single organism, while biomagnification is the increase in concentration of these chemicals as they move up the food chain.
4.
FLASHCARD QUESTION
Front
What is an example of biomagnification?
Back
An example of biomagnification is when phytoplankton absorb mercury, small fish eat the phytoplankton, and larger fish eat the small fish, leading to higher mercury concentrations in the larger fish.
5.
FLASHCARD QUESTION
Front
What chemical historically caused eggshell thinning in birds?
Back
DDT (Dichloro-Diphenyl-Trichloroethane) caused eggshell thinning in birds.
6.
FLASHCARD QUESTION
Front
What happens to toxic chemicals as they move up the food chain?
Back
Toxic chemicals tend to accumulate and become more concentrated as they move up the food chain, a process known as biomagnification.
7.
FLASHCARD QUESTION
Front
What is a key cause of bioaccumulation?
Back
A key cause of bioaccumulation is taking in chemicals faster than a living organism can break them down and use them.
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