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4015_Tutorial_1

4015_Tutorial_1 - Biodiversity All genes species and...

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Biodiversity All genes, species, and ecosystems in a  region
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KINDS OF BIODIVERSITY 1. Genetic diversity : the variety of genetic material  within a species or population   1. Species diversity : the number of species present in a  habitat.   1. Ecological diversity : the variety of terrestrial and  aquatic ecosystems found in an area or on the earth.    
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Sociology Decreasing visits to National Parks
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Political Science Clean Water Act 1972  established laws that control water  pollution   Endangered Species Act 1973  to protect other species
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The Cuyahoga River Fire lasted just thirty minutes, but it did approximately fifty thousand dollars in damage -- principally to some railroad bridges spanning the river. It is unclear what caused the fire, but most people believe sparks from a passing train ignited an oil slick in the Cuyahoga River. This was not the first time that the river had caught on fire. Fires occurred on the Cuyahoga River in 1868, 1883, 1887, 1912, 1922, 1936, 1941, 1948, and in 1952.
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