BIOL202 - Study Guide - LAB FINAL

# BIOL202 - Study Guide - LAB FINAL - COMBINED STUDY GUIDES...

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COMBINED STUDY GUIDES FOR THE LABORATORY EXAM SAMPLING LAB density vs. abundance species richness census vs. sampling quadrat sampling/ quadrat * ha (abbreviation for what?) hectare (how large?) *caution: do not confuse quadrat with quadrant – two different words. 1. What does it mean when a population is sampled in an unbiased manner? (It has a specific meaning – see above- note: the answer is not “sample randomly”). 2. Describe the effect of: a) using larger quadrats and b) using a larger number of quadrats on the accuracy of estimates of population density. What were your results? Did they match the expected results? Explain in general terms why we expect these results. 3. Be familiar with the basic idea behind quadrat sampling using: a) random sample point location vs. b) stratified-random sample point location. 4. Given a set of data obtained using quadrat sampling, be prepared to crunch the data - as you did in lab and for the homework - to provide meaningful estimates of density and abundance. INTO THE WOODS To get another feel for the “scientific process,” read the attached pages that describe the research of the Dutch biologist, Niko Tinbergen, pioneer of the modern study of Animal Behavior, sometimes called Ethology , and co-winner of the Nobel Prize in 1973. Be prepared to state the 5 basic steps in scientific research as exemplified by Tinbergen’s study on homing to burrows by

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BIOL202 - Study Guide - LAB FINAL - COMBINED STUDY GUIDES...

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