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Visual Vocabulary

Linda Tran . Visual Vocabulary . Cultural Eutrophication. An increase in fertility in a body of water, the result of anthropogenic inputs of nutrients Chesapeake Bay experiences an increase in fertility due leached agricultural lands during rainy periods . Curie.

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Visual Vocabulary

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  1. Linda Tran Visual Vocabulary

  2. Cultural Eutrophication • An increase in fertility in a body of water, the result of anthropogenic inputs of nutrients • Chesapeake Bay experiences an increase in fertility due leached agricultural lands during rainy periods

  3. Curie • A unit of measure for radiation; 1 curie= 37 billion decays per second • If a material has a radioactivity level of 100 curies and has a half-life of 50 years, the radioactivity level in 200 years will be 4 half-lives

  4. Dam • A barrier that runs across a river or stream to control the flow of water • Damns are used for human consumption, generation of electricity, flood control, and recreation

  5. Dead Zone • In a body of water, an area with extremely low oxygen concentration and very little life • When raw sewage is dumped directly into bodies of water, subsequent decomposition of microbes can consume nearly all the oxygen and create a dead zone

  6. Decomposers • Fungi or bacteria that recycle nutrients from dead tissues and wastes back into an ecosystem • Without decomposers, detritvores, and scavengers there would be no way of recycling organic matter and energy and thus would create a world filled with dead plants and animals

  7. Deductive Reasoning • The process of applying a general statement to a specific fact or situation • For example • GS: Air pollution kills tree • One dead tree does not mean that it was killed by air pollution. There could be other causes such as poor sunlight

  8. Demographer • A scientist in the field of demography • Analyze specific data such as birth rates, death rates, and migration rates

  9. Demography • The study of human populations and population trends • Demographers use age structure diagrams to determine the state of the country because developing and developed countries have specific population trends

  10. Density Dependent Factor • A factor that influences an individual’s probability of survival and reproduction in a manner that depends on the size of the population • Limited food supply is an example of a D-D factor because a smaller population requires less total food

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