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Unformatted text preview: limits. Organisms tolerate wide varying external conditions by maintaining stable conditions internally. Ecosystems Organisms interact with each other and with their environments. Changes in any part of the biological community or the physical environment cause changes in the other parts. Ecosystems “Newly initiated projects in terrestrial ecosystems are addressing cause-and-effect relationships between climatic variability and change and the distribution, abundance, and productivity of native and invasive organisms.” (unknown, 2008). They are starting to understand on how CO2 levels are affecting microorganisms and plants. References Works Cited unknown. (2008, September 16). Ecosystems A USGCRP Program Element . Retrieved October 27, 2010, from USGCRP: http://www.usgcrp.gov/usgcrp/ProgramElements/bio.htm...
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This note was uploaded on 09/09/2011 for the course FINAL SCI230 taught by Professor Paige during the Winter '11 term at University of Phoenix.
- Winter '11