Chapter 5

Chapter 5 - Chapter 5. A) Principles of Ecology and...

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Chapter 5. Principles of Ecology and Ecosystems A) Ecology: The study of the interactions that determine the distribution and abundance of organisms. 1) Autoecology 2) Synecology 3) Behavioral Ecology 4) Systems ecology 5) Chemical and/or physiological ecology 6) Quantitative ecology B) Biosphere: Refers to that environment of the earth that extends from a few kilometers beneath the surface to a few kilometers into the atmosphere (“Gaia Hypothesis”). C) Ecosystem: The interacting system composed of all the living organisms and their non-living environment in an area large enough to permit the characteristic exchanges of energy and perpetuation of component organisms. 1) Biotic community 2) Natural Cycles a) Atmospheric (Gaseous) cycles, e.g. C, H, O, N
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b) Sedimentary cycles e.g. P, K, Ca, Mg, Cu, Zn, on crust of the earth in form of soil, dissolved water, or both 3) Energy Flow: 6 H 2 O + 6 CO 2 + Solar Energy à C 6 H 12 O 6 (sugar) + 6 O 2 a) Conservation of Energy – (First law of
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This note was uploaded on 02/18/2012 for the course BIO 260 taught by Professor Dannyraymer during the Fall '11 term at BYU.

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Chapter 5 - Chapter 5. A) Principles of Ecology and...

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