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What is biomagnification?

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Biomagnification is the process by which the concentration of toxic substances increases in organisms at each successive level of the food chain.

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What is DDT and why is it significant in environmental science?

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DDT (Dichloro-Diphenyl-Trichloroethane) is a synthetic pesticide known for its role in biomagnification and its harmful effects on wildlife, particularly birds.

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What does CITES stand for and what is its purpose?

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CITES stands for the Convention on International Trade in Endangered Species of Wild Fauna and Flora. It aims to ensure that international trade does not threaten the survival of species.

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Who is responsible for determining if a species is endangered under the Endangered Species Act?

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The US Fish and Wildlife Service is responsible for determining if a species is endangered and reviews its status every five years.

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What is riparian vegetation?

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Riparian vegetation refers to the plant life that grows along the banks of rivers and streams, playing a crucial role in maintaining ecosystem health.

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What are ecological services?

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Ecological services are the benefits that ecosystems provide to humans, such as clean water, pollination, and climate regulation.

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What is the significance of the IUCN Red List?

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The IUCN Red List is a comprehensive inventory of the global conservation status of biological species, helping to assess the risk of extinction.

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What is the primary threat to riparian vegetation in the Southwestern US?

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The primary threat to riparian vegetation in the Southwestern US is habitat degradation due to urban development, agriculture, and water diversion.

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What crop is known for replacing forests in Southern Asia and spreading to Africa and South America?

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Oil palm is the crop known for replacing forests in Southern Asia and is now spreading to Africa and South America.

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What is the role of the EPA in environmental protection?

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The Environmental Protection Agency (EPA) is responsible for regulating and enforcing national standards for environmental protection.