Salinity Changes On The Polychaete, Nereis Succinea

Salinity Changes On The Polychaete, Nereis Succinea I chose to experiment with the effects of saltiness changes on the polychaete, Nereis succinea. Along with the other members of the group, Patty and Jeremy, I was rum to see whether the worms would engage in adaptive behavior when plastered in a tank of water of foreign salinity, or whether they would simply continue changing osmotically until they reached equilibrium with the environment.The initiatory of all step in our experiment was to simply disclose the worms and prevail a "feel" for the ways in which they act. We did this on Wednes twenty-four hour period, whitethorn 7, 1997 from 9:30am to 10:30am.

Also on t his day we intimate how to mix and measure salinity, practiced weighing the worms, and decision making our diminutive schedule as far as when we would interpose in and for how long, etc.From what I observed, the polychaete is a salt-water worm that has suitable 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 catch a full essay, order it on our website: OrderEssay.net

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