<p>I'm writing an essay for bio class. We basically have to do experiments in nature (ie how does product x affect the beaver population in johnson county etc) and then write about it using data tables and graphs etc. I'm brainstorming topics but they are pretty lame. Does anybody have an original yet not too hard topic to recommend?</p>
<p>Wait...do you actually have to introduce products into nature to see how they affect the animal populations, or just report on those already released? Seems a bit unethical to me.</p>
<p>In my Envi Sci class, we had to compare two variables and use existing data to create tables, graphs, etc. to describe whether or not there a relationship between the two exists. Is that what you mean? Because poisoning the Johnson country beavers seems a bit extreme =)</p>
<p>tommeister: It doesn't have to do with animals, I was just giving an example. Preferably, some original experiment based on current research.</p>
<p>So I was thinking of not doing it about animals, maybe something along the lines of if some specific bacteria affects lake/environment surroundings.</p>
<p>That wouldn't be hard to do. Another easy experiment would be to establish the pH ranges in which various small aquatic organisms (like California blackworms) can survive. If you want to get fancy, you could experiment with the concentrations of ammonia, nitrites, nitrates, carbonates (hardness), salinity, etc.</p>
<p>warblersrule:I know it doesn't sound hard, but I don't know where to get started. Where do I get the supplies and test for those chemical concentrations?</p>
<p>Check with your biology or chemistry teacher. They should have the necessary chemicals (like dilute HCl) and might be able to track down a water testing kit for you. If not, they might be able to help you with other supplies instead, like litmus paper.</p>