Environmental Impact of Illegal Dumping and Ocean Mining

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What is the main result of bioaccumulation in the context of biomagnification?

Increased concentration of toxic substances in organisms

How does the level of toxicity change from lower trophic levels to higher trophic levels in the food chain due to biomagnification?

Increases

What are persistent organic pollutants (POPs) in the context of biomagnification?

Human-made toxic exhaust substances

Which term describes the gradual increase of toxic substances from the base to top predators via the food chain?

<p>Biomagnification</p> Signup and view all the answers

What term is used to explain the consistent rise of thermodynamics disturbance in the environment due to certain chemicals?

<p>Bioaccumulation</p> Signup and view all the answers

Why do ecotoxic substances like persistent organic pollutants (POPs) contribute to biomagnification?

<p>Being lipophilic and non-degradable, they accumulate in organisms</p> Signup and view all the answers

What is the primary reason for the proliferation of poisonous materials with the rise of trophic levels?

<p>Accidental leaks from industrial activities</p> Signup and view all the answers

Which of the following is NOT mentioned as a chlorinated hydrocarbon that contributes to biomagnification?

<p>Mercury</p> Signup and view all the answers

What significant event occurred in New Zealand on October 11, 2011, that is mentioned as a cause of aquatic and terrestrial organisms dying?

<p>Oil spill from container ship Rena</p> Signup and view all the answers

Why are chlorinated hydrocarbons like DDT concerning in terms of biomagnification?

<p>They persist in the environment and are hard to break down</p> Signup and view all the answers

Which of the following does NOT contribute to the primary reasons for biomagnification as mentioned in the text?

<p>Proper disposal of chemicals by industries</p> Signup and view all the answers

How do oil spills contribute to biomagnification according to the text?

<p>By causing the death of aquatic and terrestrial organisms</p> Signup and view all the answers

What is a primary cause of biomagnification according to the text?

<p>Excessive dumping of plastic in aquatic areas</p> Signup and view all the answers

How does Selenium contribute to the harm caused to marine animals?

<p>It is a hyperaccumulation substance that leads to 'blind staggers'</p> Signup and view all the answers

What is the main way toxins are transferred from mother orcas to their offspring?

<p>Through milk</p> Signup and view all the answers

What effect does the overgrowth of algae and microbes have on water?

<p>Blocks sunlight from reaching deeper water layers</p> Signup and view all the answers

Why did the US government ban DDT production in 1972?

<p>To prevent biomagnification</p> Signup and view all the answers

Which activity contributes to excessive deposition of sewage, agricultural, and industrial waste?

<p>Water pollution</p> Signup and view all the answers

What is a common health issue caused by biomagnification in humans?

<p>Heart disease</p> Signup and view all the answers

Why is plastic considered harmful for the environment in terms of biomagnification?

<p>Plastic can biomagnify harmful chemicals</p> Signup and view all the answers

What role do nitrate and phosphorus play in the process of algal bloom?

<p>They stimulate the overgrowth of algae and microbes</p> Signup and view all the answers

Why are humans particularly affected by biomagnification?

<p>Being at a high trophic level in the food chain</p> Signup and view all the answers

How does biomagnification impact the food chain?

<p>It disrupts the food chain</p> Signup and view all the answers

What is the most common example of biomagnification mentioned in the text?

<p>COVID-19 pandemic</p> Signup and view all the answers

What is the main concern expressed in the text?

<p>The persistence of banned chemicals in the environment</p> Signup and view all the answers

Which action is recommended for building a healthy environment?

<p>Add water purifiers continuously to water bodies</p> Signup and view all the answers

What is the ultimate goal emphasized in the text?

<p>To ensure a sustainable environment</p> Signup and view all the answers

Which statement aligns with Henry David Thoreau's perspective mentioned in the text?

<p>Humans should prioritize preserving life over destruction</p> Signup and view all the answers

What is a recommended way to decrease environmental pollution according to the text?

<p>Limit the production and use of harmful products</p> Signup and view all the answers

How can the system be protected from collapse, as stated in the text?

<p>Maintaining a balanced food chain</p> Signup and view all the answers

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