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Past Exam for BIO 160 - General Ecology with Baxter at Cal State-Sacramento (CSUS)

Exam Information

Material Type:Exam 3
Professor:Baxter
Class:BIO 160 - General Ecology
Subject:Biological Sciences
University:California State University - Sacramento
Term:Spring 2006
Keywords:
  • Turnover Rate
  • Coniferous Forest
  • Gross Primary Productivity
  • Establishment
  • Terrestrial
  • Consequences
  • An Adaptation Is A
  • Atmospheric Co
  • Bicarbonate
  • Living Will
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Sample Document Text

Bio 160 Practice Questions for Exam #3 1. You are interested in finding out whether or not crops growing in your backyard garden are limited by nitrogen. To examine this, you conduct a simple fertilization experiment. To 5 locations each, you add no fertilizer or a nitrogen (N) fertilizer. You then plant your crop plants and, after a few months, you harvest the plants and weigh them. The data from this experiment and the appropriate statistical test is given below. Experimental results Statistics No fertilizer N fertilizer Mean plant weight (g) 11.22 14.28 Standard deviation (SD) 1.58 1.84 Standard error (SE) 0.70 0.82 P-value of statistical test 0.0224 a) State the null hypothesis you are testing in this experiment. b) Which of the treatments is the control treatment? ___________________. c) Was there a significant effect of the fertilizer treatment (i.e., are the means significantly different? Yes No Cannot determine (CIRCLE O...

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