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Biomagnification and Bioaccumulation Video Lecture | Environment for UPSC CSE
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FAQs on Biomagnification and Bioaccumulation Video Lecture - Environment for UPSC CSE
| 1. What is biomagnification? |  |
| 2. What is bioaccumulation? | |
Ans. Bioaccumulation refers to the gradual buildup of harmful substances or pollutants in the tissues of an organism over its lifetime. It occurs when an organism absorbs these substances at a rate greater than it can eliminate them, resulting in an increase in concentration over time.
| 3. How does biomagnification occur? | |
Ans. Biomagnification occurs when a pollutant or toxin is introduced into an ecosystem and is absorbed by plants or small organisms at the bottom of the food chain. As these organisms are consumed by predators, the concentration of the pollutant increases in their tissues. This process continues as each predator consumes organisms lower in the food chain, resulting in higher levels of the pollutant in top predators.
| 4. What are the impacts of biomagnification on ecosystems? | |
Ans. Biomagnification can have severe impacts on ecosystems. High levels of toxins in top predators can lead to reproductive problems, decreased immune function, and even death. It can also disrupt the balance of the food chain by causing declines in populations of certain species and affecting overall ecosystem health.
| 5. How can biomagnification be prevented or minimized? | |
Ans. Biomagnification can be prevented or minimized by reducing the use of harmful substances or pollutants in industries, agriculture, and households. Strict regulations and policies can be implemented to control the release of such substances into the environment. Additionally, promoting sustainable practices and raising awareness about the importance of protecting ecosystems can also help in minimizing the impacts of biomagnification.
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