10 10 07

10 10 07 - Biotic Autotrophs are producers Heterotrophs are...

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10/10/07 Test will end at Tuesday at 1:00 Paper due on Friday at midnight…bleck Ecological Facts of Life!! Scope of Ecology Community Stability and Diversity Primary Succession-Starts on areas devoid of soil Secondary succession-starts with pioneer species in areas where there already is soil (ex. a field after a fire) Ex. grass=> low shrub=> shrub=> tall shrub=> trees=> tall trees Biotic—living Populations of organisms in an ecosystem Abiotic--nonliving Water, temperature, wind
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Unformatted text preview: Biotic Autotrophs are producers Heterotrophs are consumers Consumers Herbivores-plants Carnivores-animals Omnivores-both Decomposers-dead things Detritus is partially decomposed organic matter eaten by detritus feeders Energy flow- sun to producers Chemical cycle- inorganic nutrients pass from producers through consumers Know the nature of an ecosystem picture!!!!! Energy flow follows laws of thermodynamics...
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This note was uploaded on 04/10/2008 for the course BIO 100 taught by Professor Robinson during the Spring '08 term at BYU.

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10 10 07 - Biotic Autotrophs are producers Heterotrophs are...

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