Week 3

This week's aquarium had a lot more and bigger organisms than last week. The reason for that is probably because one beta food pellet was added to it on October 22, 2009. I saw many organisms which included two or three rotifers, a couple of nematodes and several diatoms. The hydra that I saw last week was actually a type a larvae called a midge. Last week it was moving around everywhere, but this week it did not move and looked dead. I also saw a crustacian known as a copepod.

Rainis, Kenneth G., and Bruce J. Russell. "Nematoda." Guide to Microlife. Ed. Watts Franklin. Danbury, CT: A Division of Grolier, 1996. 230-233. Print.

This vorticella was the first time I have seen this creature so far.
Patterson, D.J.. "A Colour Guide." Free-Living Freshwater Protozoa. Ed. Hedley Stuart. Washington, D.C.: Manson, 2003. 25. Print.