APES Module 7 Exam Review

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What is DDT?

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DDT (Dichloro-Diphenyl-Trichloroethane) is a persistent organic pesticide known for its environmental impact and ability to act as an endocrine disruptor.

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What are Persistent Organic Pollutants (POPs)?

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POPs are organic compounds that are resistant to environmental degradation and can accumulate in the food chain, posing risks to human health and the environment.

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What is the effect of DDT on ecosystems?

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DDT primarily affects secondary consumers in the food chain, leading to bioaccumulation and potential endocrine disruption.

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What is hypoxia?

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Hypoxia is a condition in which there is a deficiency of oxygen in a water body, often caused by nutrient pollution leading to algal blooms.

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How do inorganic fertilizers contribute to hypoxia?

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Increased use of inorganic fertilizers leads to nutrient runoff into water bodies, causing algal blooms that deplete oxygen and create hypoxic conditions.

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What is cultural eutrophication?

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Cultural eutrophication is the process by which human activities, such as agriculture and urbanization, increase nutrient loading in water bodies, leading to excessive growth of algae.

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What are the dangers of consuming large fish like tuna and shark?

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Large fish are high on the food chain and can accumulate high levels of mercury and persistent organic pollutants (POPs) like PCBs.

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What is the largest component of municipal solid waste in the US?

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The largest component of municipal solid waste in the US is paper.

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What is the impact of plastic waste on the environment?

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Plastic waste can lead to pollution in oceans and waterways, harming marine life and ecosystems.

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What is the role of producers in an ecosystem?

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Producers, such as plants and phytoplankton, convert sunlight into energy through photosynthesis, forming the base of the food chain.