Chapter 1 - Chapter 1 The state of the biosphere What is...

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Chapter 1 The state of the biosphere… What is the biosphere? Air, rock, water -Biosphere: Every single living organism and the physical environment -Abiotic: nonliving -Biotic: living things Common characteristics of life: -life comes at the expense of the environment -cellular -movement -growth -reproduction -response to stimuli How did it develop -The big bang -Evolution of life Environmental problems of our time -hole in the ozone layer -mercury contamination -global climate change Three root causes of environmental issues 1) Human population growth 2) Abuse of natural resources 3) Pollution ONE -human population is growing exponentially -6.4 billion people today -1/5 have adequate drinking water, food, and shelter TWO -renewable vs. non-renewable -consumption and economic footprint -soil, water, air, minerals, biodiversity THREE -point source: assigned a point at which it originates (exhaust pipe, factory) -non-point source: pollution that comes from a general area (pesticides) hard to regulate
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Ecology -Greek root word of oikos=home -Logos=the study of -Experimental and Observational data collection Experiments: determine cause and effect, design study to keep all the conditions the same b/w two different treatments but allow one condition to be different (variable)
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This note was uploaded on 05/04/2011 for the course GLG 111 taught by Professor Kuentz during the Spring '05 term at Miami University.

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Chapter 1 - Chapter 1 The state of the biosphere What is...

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