what is the definition of biomagnification

Biological magnification refers to the process where toxic substances move up the food chain and become more concentrated at each level. … An example of biological magnification and its dangers is any small fish that eats plankton that has been tainted with mercury.

Which trophic level is most affected by biomagnification?

In higher tropic level or top of the food chain the organism are most affected by biomagnification.

What is eutrophication and biomagnification?

Biological magnification is the process by which the level of concentration of toxic compound increases and accumulates along a food chain into higher levels while eutrophication is the process by which the excessive growth of algae occurs due to release of nutrients including nitrates and phosphates into water bodies …

What trophic level is 10th?

Hint: The trophic level is the step or level included in a food chain. It denotes the number of steps the organism is from the start of the chain. … There are 4 trophic levels it includes producers, herbivores (primary consumers), carnivores (secondary consumers), predators (tertiary consumers).

What is meant by bioaccumulation Class 10?

The process of accumulating toxic chemicals such as pollutants, pesticides and other toxins directly into the human body either through air, water, food intake, or directly through the skin is termed as Bioaccumulation.

What is biological magnification answer key?

Answer: BIOLOGICAL MAGNIFICATION OR BIOMAGNIFICATION IS DEFINED AS THE INCREASE IN THE CONCENTRATION OF THE TOXICANTS AT SUCCESSIVE TROPHIC LEVELS. Actually, the toxic substances can neither be excreted nor metabolised , hence, they get accumulated in an organism and thus, are passed on to higher trophic levels.

What is bioaccumulation or biomagnification quizlet?

Bioaccumulation. The gradual build-up of chemicals in living organisms. Biomagnification. The process in which chemicals not only accumulate but become more concentrated at each trophic level.

What does biomagnification factor represent quizlet?

biomagnification – increase in concentration with increase of in trophic levels, e.g. DDT.

What animal has the highest biomagnification?

Predatory fish – fish that eat other fish that have eaten still other fish and animals – will have some of the highest concentrations of biomagnified chemicals. Many popular fish are also rich in fat and fish oils, which is where many toxins are stored.

What is BIOMAGNIFICATION? What does BIOMAGNIFICATION mean? BIOMAGNIFICATION meaning

Class 12 Biology Chapter 16 | Biomagnification – Environmental Issues

Biomagnification and the Trouble with Toxins

Biomagnification

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