Geol 109 FinalExamReview

Geol 109 FinalExamReview - Geol 109 Review Exam #3 Trophic...

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Unformatted text preview: Geol 109 Review Exam #3 Trophic level question: Effieciency is only 10% Start w/ 10,000 units in 1 st trophic level How man units remain at the 4 th trophic level? Answer is 10 *********************************************** Most likely cause of devasting decline in Preuvian anchovy fishery in 1972 was: D). both El Nino and overfishing *********************************************** Not a characteristic of warm middle cretaceous C) sea level was 100-200m lower than today (it was actually 100-200m higher *********************************************** Nitrogen cant be taken in by plants as free N2 (can as ammonia and nitrate) *********************************************** Most recent glaciation was 18,000 years ago *********************************************** Troposphere = where weather happens *********************************************** Remember orographic effect *********************************************** What has not been an affected by uplift of Tibetan plateu? E) they were all processes affected by it *********************************************** Most climate models predict that if atmosphere CO2 levels double in the next 50-100 years, global temperature averages will increase by C) 2 - 4.5 deg. C If it was by decade the increase was be A) 0.1 – 0.2 deg. C ***********************************************...
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This note was uploaded on 09/08/2008 for the course GEOL 109 taught by Professor Surge during the Spring '08 term at UNC.

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Geol 109 FinalExamReview - Geol 109 Review Exam #3 Trophic...

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