Ecology 6. Chapter 20 Study Guide.pdf - STUDY GUIDE CHAPTER...

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STUDY GUIDECHAPTER 20Movement of Energy in EcosystemsDefine these terms:1.A
Define these Compare/Contrast sets of terms:
©2016, 2019, 2020 Lou Yurasits
NPP=GPP-Respiration2.a.ingested energyTotal energy consumedb.egested energyThe portion of consumed energy that is excreted or regurgitated.3.a.assimilated energyThe portion of energy that a consumer digests and absorbs.b.respired energyThe portion of assimilated energy a consumer uses for respiration.4.a.assimilation efficiencyThe portion of energy that a consumer digests and absorbs.b.net production efficiencyThe percentage of assimilated energy that is used forgrowth and reproduction.Net production efficiency=Net production energy(J) / Assimilated energy(J)Answer these Short Answer/ Short Essay Questions:(for pages and figures: roman-12 pt =same for both text editions;bold-12 pt= 8thed. only;italics-10 pt= 7thed. only)1.Who was the first person to consider the flow of energy between trophic levels?)
Raymond Lindeman, an ecologist who conducted his doctoral dissertation on Cedar Bog Lake inMinnesota during the 1930s.2.Why is the energy content of trophic levels depicted as a pyramid (Fig 20.13) and not asquare?(p.470/480; Fig.20.14/20.13caption)
©2016, 2019, 2020 Lou Yurasits

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