Which of the Following Is the Best Description of Bioaccumulation

Bioconcentration is defined as occurring when uptake from the water is greater than excretion. Bioaccumulation refers to the accumulation of a toxic chemical in the tissue of a particular organism.

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These substances could be heavy metals pesticides or organic chemicals.

. Bioaccumulation occurs via food chains. Which of the following best describes the effect of lead on humans. Bioaccumulation is a process of the accumulate of the chemical constituent that doesnt decompose or that dont leave the digestive tracts of the animal and these keep on spreading with the passage of time.

The first and major difference or points of comparison between these processes is that where on one hand bioaccumulation is the increase in the concentration of a substance inside an organism on the other hand biomagnification is the increase in the level as one. Bioaccumulation is the accumulation of toxic substances in living organisms. Biomagnification refers to the increased concentration of a toxic chemical the higher an animal is on the food chain.

Which of the following best explains the potential health problems associated with endocrine disruptors. An increase in the level as one moves higher in the food chain. Bioaccumulation refers to the increase in concentration of a pollutant in an organism.

2 Plantsanimals from which of. When an animal consumes food having DDT residue the DDT accumulates in the tissue of the animal by a process called bioaccumulation. Bioaccumulation is the process by which toxins enter the food web by building up in individual organisms while biomagnification is the process by which toxins are passed from one trophic level to the next and thereby increase in concentration within a food web.

Bioaccumulation definition an increase in the concentration of a chemical in a biological organism over time compared to the chemicals concentration in the environment Uptake describes the entrance of a chemical into an organism storage the temporary deposit of a chemical in body tissue or in an organ bioconcentration. Quiz Worksheet Goals See what you know about these topics. Hearing and vision loss elevated blood pressure memory loss.

The following is a list of some of the differences between both these processes. They enter into the living systems via water or food. It usually occurs when an organism ingests a particular substance at a faster rate than it can metabolize or excrete.

Endocrine disruptors do not biodegrade remaining toxic years after their release. Chemicals are introduced into the organism through exposure to the abiotic environment soil water air or as dietary intake trophic transfer. Bioaccumulate is in the form of toxins and other untreated stuff released into the water ecosystems.

Endocrine disruptors encompass a wide array of toxic pesticides. Eat certified organic foods when possible. Find out by answering quiz questions on key points like a definition of bioaccumulation and a main cause of bioaccumulation.

It happens over time. Which of the following is the best description of bioaccumulation. Bioaccumulation refers to the build-up of a toxic chemical in the body of a living organism.

Contact a recycling center for methods of safe disposal. Well you know the word accumulation means the build-up of something and that the prefix bio- means life. An increase in the concentration of a substance inside an organism.

Bioaccumulation is a process of accumulation of chemicals in an organism that takes place if the rate of intake exceeds the rate of excretion. Bioaccumulation occurs within a trophic level and is the increase in concentration of a substance in certain tissues of organisms bodies due to absorption from food and the environment. Accumulation of a toxic chemical in the tissue of a particular organism.

DDT is very stable and as much as 50 of the original concentration can remain in the soil 15 years after the initial application. An increased concentration of a toxic chemical the higher an animal is on the food chain. The uptake of essential nutrients by plant roots.

Putting it together you would get the build-up of something in living organisms for the. Nervous system damage reproductive system damage kidney failure and impaired mental development. In this activity you are going to analyse a food web to determine which organisms in the food chain accumulate the greatest concentration of chemicals in their tissues and consider which organisms in a food web might be most affected by the introduction of a toxic chemical to their.

Bioaccumulation is metabolically active and is performed by living cells. Endocrine disruptors mimic hormones that regulate critical biological processes. What essentially happens is that an organism absorbs the chemicals across their skin or otherwise takes.

The following are some ways to help prevent or reduce the bioaccumulation of toxic substances. Which of the following best describes why DDT is classified as a persistent organic pollutant. Tertiary consumer such as seals the greater the concentration of DDT in their body as a result of a process called biomagnification.

Bioaccumulation and Biomagnification This is the link to the first activity And here is the second. Nervous system damage immune system suppression heart kidney and lung damage. The accumulation over time of a substance and especially a contaminant such as a pesticide or heavy metal in a living organism.

Avoid toxic chemical pesticides. While in biosorption there is no danger of posing toxicity by sorbate to sorbent in bioaccumulation such danger exists. However if the method is intended to be used as the final polishing step the concentration of bound substances would be of a magnitude of few mgl.

The higher an animal is on the food chain eg. Do not put harmful substances eg used motor oil into the water system or storm drains.

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