Ecology Introduction. Chapter 18. Ecology. the study of the interdependence of living organisms the interdisciplinary scientific study of the distributions, abundance and relations of organisms and their interactions with the environment. Biological levels of organization.
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Biological levels of organization
Sponge Bob Ecology?
"It is an obvious truth, which has been taken notice of by many writers, that population must always be kept down to the level of the means of subsistence; but no writer that the Author recollects has inquired particularly into the means by which this level is effected..." -- Thomas Malthus, 1798
= GPP– rate of respiration in producers
Energy and Nutrient Flow Patterns