years after the legislation was passed pollution of some waterways began to disappear. The Endangered Species Act of 1973 protected all wildlife and plants that were endangered at that time. In the end‚ the act helped save our nation’s mascot‚ the bald eagle‚ and over 700 more species of wildlife/plants. The next act that was implemented is The Clean Air Act of 1970 which set standards to control pollution from vehicles and factories. Congressed passed revisions to The Clean Air Act in 1990 which
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Phil. Trivia-Only in the Philippines Richest Biodiversity A great number of rare and exotic animals exist only in the Philippines. The country’s surrounding waters reportedly have the highest level of biodiversity in the world. But this distinction was soon overshadowed by the fact that the Philippines has been dubbed as the "hottest of the hotspots" by no less than the Conservation International. The Philippines is considered as a mega diversity country and a global biodiversity hotspot. In
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Abstract Predators are animals that kill for their food; they must do this in order to survive. There has been controversy about predation in some areas including the re-introduction of wolves into the Yellowstone National park area and other areas. Predator-prey relationships are both beneficial and detrimental to some species. The weakest and unhealthiest become dinner for those predators and also become a positive thing for the species that only the strongest of the herd will survive
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Interview and Standards Investigations As I read and thought about the Social Studies Standards‚ I considered looking into the standards for First grade. I think that children in this grade level are at a good age to better understand Social Studies. I do realize that teaching Social Studies starts from pre-school however it can be further be understood by older aged students. The topics that are covered according to the Standards first grade should introduce settlements and cultures‚ civilizations
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ecology important? * Allows for monitoring of organisms impact on environment and also helps to regulate impact. * Helps to preserve populations of organisms. * Ecologists efforts have helped to preserve endangered animals such as the BALD EAGLE TOOLS OF ECOLOGY * Hey‚ how do ecologist record data taken from large populations? * Great Question! The answer is: they use manageable numbers. With a little math‚ some estimation and magic‚ ecologists can accurately calculate the approximate
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Biology Fall 2011-2012 Exam Review [pic][pic] The graphs above show the results of two separate experiments on the same species of plant. Students now want to determine how the use of rainwater or bottled water affects the growth of this plant. Which conditions should be used for optimal growth as the two water types are tested? Answer:_______________________________________________________________________________________________________________ WHY?____________________________________
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Section 1: The definition of marine protected area varies with people‚ and in reality‚ it is a term used globally to describe an area of sea especially dedicated to the protection‚ coupled with maintenance of biological diversity‚ and of natural and associated cultural resources‚ and managed or reserved by legal or other effective means to protect part or all of the enclosed environment. In the U.S.‚ MPAs span a range of habitats including the open ocean‚ coastal areas‚ inter-tidal zones and estuaries;
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At the age of Fifteen i lost my father‚ not knowing how to react i became coy and detached from school. It was Junior year where i realized that i was‚ in many ways‚ hurting myself. Gradually i became more friendly and cared more about my academics. One day at lunch while i was eating alone‚ a guy named Greg came up to me and started talking to me. It was the first time i felt comfortable talking to someone‚ without them having a clipboard in their hand‚ and without me laying on a couch. We spent
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awareness to the public about the dangers and use of DDT with her book Silent Spring. She wrote about dangers the chemical will have on the environment‚ stating it will have a negative effect on the birds and fish. She reported DDT was poisoning the bald eagles‚ fish and other small animals(Davis‚ 1971) . Other environmentalist started to speak out against the use of DDT. In 1967 several organizations filed a suit to restrict DDT ’s usage. By 1969 DDT ’s usage was reduced. The EPA (environmental protection
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correlates the use of the pesticide with cases of cancer and showed evidence to suggest that DDT was especially hazardous to bird populations. The chemical caused the shell of bird eggs to be thinner than normal‚ making them more fragile. Populations of Bald Eagles and certain species of hawks plummeted. In addition‚ Carson argued that DDT was “of concern to us all” and that “if we are going to live so intimately with these chemicals . . . we had better know something about their nature and their power.”
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