Salinity Changes On The Polychaete, Nereis Succinea I chose to experiment with the effects of salinity changes on the polychaete, Nereis succinea. Along with the other members of the group, Patty and Jeremy, I was merry to see whether the worms would engage in adaptive behavior when frozen in a tank of water of foreign salinity, or whether they would simply continue changing osmotically until they reached equilibrium with the environment.The offset of all step in our experiment was to simply take down the worms and prevail a "feel" for the ways in which they act. We did this on Wednes sidereal day, whitethorn 7, 1997 from 9:30am to 10:30am. Also on this day we intimate how to mix and measure salinity, practiced weighing the worms, and deciding our diminutive schedule as far as when we would watch in and for how long, etc.From what I observed, the polychaete is a salt-water worm that has competent to awake(p) in estuaries. We kept the control tank at 20 parts per thousand to 24 parts per thousand, and the worms se...If you want to seize a full essay, order it on our website: OrderEssay.net
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