Soil Ecology WorksheetBW Chapter 11Define the following and put them into the context of soil ecology:Primary producerPrimary consumerSecondary consumerTrophic levelMicrobeMicrofloraMicrofaunaMesofaunaMacrofaunaRhizosphereHeterotrophAutotrophicPhotoautotrophChemoautotrophDetritivoreDetritusBacteriaDecomposerMineralizationProkaryote and examplesEukaryote and examplesProtozoaActinomyceteAerobeAnaerobePathogenParasiteFungusHyphaeMyceliumCelluloseLigninChitinNematodeIndicate which categories or descriptors might apply to the following:Algae________________________ Mites______________________Fungi________________________ Plant roots__________________Bacteria______________________ Actinomycetes_______________Earthworms___________________ Mycorrhizae_________________Which organisms dominate in more acid? More alkaline?What are the benefits of maintaining a diverse and active soil food web in agricultural systems?Practically how do you do this?CH 11 Q1: What is functional redundancy, and how does it help soil ecosystems continue to function on the face of environmental shocks such as fire, clear-cutting, or tillage?Q2: In the example illustrated in table 11.11, identify the organisms, if any, that play the roles of primary producer, primary consumer, secondary consumer, and teriary consumer.Q3: Describe some of the ways in which microfauna play significant roles in soil metabolism even though their biomass and respiratory activity is only a small fraction of the total in the soil. Q8: What is the rhizosphere, and in what ways does the soil in the rhizosphere differ fromthe rest of the
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