Lab 12 dissolved oxygen essay 2001

In 1957 a well-known limnologist, Hutchinson, surmised that one could 'learn more about the nature of a lake from a series of oxygen determinations than from any other kind of chemical data.' "The volume of oxygen dissolved in water is dependent on:

Answer 3: "Instructions: About three days before lab, dilute the culture in 4 liters (or 1 gallon) of spring water and add the Algae Grow media. Do not use distilled water; dechlorinated tap water will work. Keep the culture under continuous moderate light (fluorescent is ideal) for 72 hours or more at 25 degrees Celsius.

"The discussion of dissolved oxygen is both interesting and instructive. It further solidifies the argument that AP Biology students would benefit from taking a good high school chemistry course FIRST.

• The level of ‘Dissolved Oxygen’ does not seem to decrease when the ‘Number of Fish Observed’ decreases 2. Develop a hypothesis relating to the amount of dissolved oxygen measured in the water sample and the number of fish observed in the body of water.