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Biological Magnification, also called bioaccumulation -- is the process whereby certain substances such as pesticides or heavy metals move up the food chain.
These substances work their way into rivers or lakes, and are eaten by aquatic organisms such as fish, which in turn are eaten by large birds, animals or humans. The substances, called bioaccumulants, become concentrated in tissues or internal organs as they move up the chain.
It occurs when compounds are poorly excreted by an organism thereby leading to a buildup of said compound as the organism consumes more and more organisms/substances containing the compound.
Biological magnification describes the process where toxins and pollutants become more concentrated as they move up the food chain, from one organism to another. This can lead to higher levels of toxins in top predators compared to lower trophic levels, posing health risks to those organisms and ultimately to humans who consume them. It is a significant environmental concern due to its potential impacts on ecosystems and human health.
The increase in concentration of a substance up the food chain.
Basic idea:
If each small fish contains 0.01g of lead, and a larger fish eats 100 small fish, it will then contain 1g of lead
bioaccumulation is the accumulation of compounds in animal or plant tissue over time that cant be excreted from the organism.
for example once Lead or DDT is ingested by an organism it stays in the food chain. once an infected organism is eaten, the creature that eats it also absorbs that compound, so that the higher you get in the food chain the greater the levels of the compound.
an example is sharks who have high levels of lead in their bodies due to eating smaller fish which have been contaminated by lead, hence the recommendation not to eat too much flake.
Bioaccumulation is the growth of a toxins levels in the many tissues of an organism.
Biomagnifcation is the procees during which a chemical or toxin makes its way through all levels of the food chain. This happens starting with a small organism consuming the toxin and works its way up when larger organisms consume those on the level below them.
When the effects of any sort of chemical are intensified due to increment in the food chain tier, this is called biological magnification.
It is caused due to the fact that when we move upwards to a higher tier in the food chain, the tier organisms has to eat multiple creatures of the lower tier to get the same energy. This means that foriegn chemical concentration is boosted on each tier.
eg : 100 PLANKTON >eaten by> 10 FISH >eaten by> 1 EAGLE
Imagine, each plankton has 2 units of chemicals. Total amount = 100 x 2 = 200 units of chemicals.
In the fish tier, 200 chemicals are inside 10 fish. Each fish has 200/10 = 20 chemicals.
In eagle tier, the lone eagle has all 200 chemicals.
This concentrating effect is called biological magnification.
Occurs when compounds are poorly excreted by an organism thereby leading to a buildup of said compound as the organism consumes more and more organisms/substances containing the compound.
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What is the magnification of an dissecting microscope?
A dissecting microscope typically has a lower magnification range compared to compound microscopes, ranging from 5x to 40x magnification. It is designed for viewing larger specimens in three dimensions at low magnification levels, making it suitable for tasks like dissection and manipulation in biological and industrial applications.
What are the rules for a biological drawing IN MAGNIFICATION?
When drawing a biological specimen at a magnified scale, ensure to include a scale bar to indicate the magnification level. Maintain accurate proportions and details of the specimen while exaggerating key features for clarity. Label important structures and use shading to show depth and texture.
What part of speech is biological?
The word "biological" is an adjective. It is used to describe living organisms, their processes, or anything related to biology.
What type of organism likely to suffer the most from the effects of biological magnification?
tertiary consumer
Is total magnification an eyepiece magnification plus an objective magnification?
Yes, the total magnification of a compound microscope is calculated by multiplying the magnification of the eyepiece by the magnification of the objective lens. The eyepiece typically magnifies by 10x, so it is often the standard starting point for calculating total magnification.
What type of organism is likely to suffer the most from the effects of biological magnification is?
tertiary consumer
How did biological magnification play a role in the disappearance of the peregrine falcon?
The use of the pesticide DDT.
Which type of organism is likely to suffer the effect of biological magnification most?
tertiary consumer
Magnification of microcope hooke?
Robert Hooke's microscope had a magnification of around 50x, allowing him to observe details of biological specimens at a cellular level. This level of magnification was revolutionary for his time and contributed to his groundbreaking discoveries in the field of biology.
What can people do to solve the problem of biomagnification?
we can solve the concentration of biological magnification if produce less DDT
Peregrine falcons and other birds suffer from increased concentrations of toxins in a process know as?
Biological Magnification
What is the magnification of an dissecting microscope?
A dissecting microscope typically has a lower magnification range compared to compound microscopes, ranging from 5x to 40x magnification. It is designed for viewing larger specimens in three dimensions at low magnification levels, making it suitable for tasks like dissection and manipulation in biological and industrial applications.
Refers to the power of a microscope calculated by multiplying the power on the objective by the power on the eyepiece?
Total magnification is the term used to describe the magnifying power of a microscope, which is calculated by multiplying the magnification of the objective lens by the magnification of the eyepiece. This formula helps in determining the overall magnification of the specimen being viewed under the microscope.
Define biological magnification and explain why humans are often more severely affected?
Biological magnification is the process in which toxins become more concentrated as they move through a food chain, with higher levels of accumulation in top predators. Humans are often more severely affected because they are at the top of the food chain and consume organisms that have accumulated toxins from lower trophic levels, leading to increased exposure to pollutants.
What are the rules for a biological drawing IN MAGNIFICATION?
When drawing a biological specimen at a magnified scale, ensure to include a scale bar to indicate the magnification level. Maintain accurate proportions and details of the specimen while exaggerating key features for clarity. Label important structures and use shading to show depth and texture.
What part of speech is biological?
The word "biological" is an adjective. It is used to describe living organisms, their processes, or anything related to biology.
When a pollutant present in low concentrations in the environment becomes concentrated as it moves through the food chain this is called?
either a or b. biological magnification or biomagnification. ((:
