Tuesday, November 25, 2008
Monday, November 24, 2008
Observation #4
Observation Date: 11/11/08
With this observation I noticed several new organisms. I figured this would be the case since it has been a longer time period since my last observation. The first new organism I noticed was the Copepod. I also observed Rotifers and a few Gastroticha in the aquarium. These three were identified with the aid of Guide to Microlife by Kenneth G. Rainis. I then found Aeolosoma and a Nematode at the bottom of my aquarium. These were identified through Pennak's Freshwater Invertebrates of the United States by Douglas Grant Smith. I also identified Diffulgia in my aquarium using the Illustrated Guide to Protozoa. A midge was very active in the bottom of my aquarium. It was constantly feeding and moving around. I recognized the midge on the Pond II poster located on the wall of the lab. My aquarium also contained an organism that I was unable to identify. A video was posted in my blog of this organism.
With this observation I noticed several new organisms. I figured this would be the case since it has been a longer time period since my last observation. The first new organism I noticed was the Copepod. I also observed Rotifers and a few Gastroticha in the aquarium. These three were identified with the aid of Guide to Microlife by Kenneth G. Rainis. I then found Aeolosoma and a Nematode at the bottom of my aquarium. These were identified through Pennak's Freshwater Invertebrates of the United States by Douglas Grant Smith. I also identified Diffulgia in my aquarium using the Illustrated Guide to Protozoa. A midge was very active in the bottom of my aquarium. It was constantly feeding and moving around. I recognized the midge on the Pond II poster located on the wall of the lab. My aquarium also contained an organism that I was unable to identify. A video was posted in my blog of this organism.
Observation #3
Observation Date: 10/28/08
During my third observation I noticed a significant increase in the Caenomorpha population from my second viewing. Upon further observation I have found another snail that I missed on the previous week. I continue to see the same population size of the worms. They do however show a slight increase in size. When looking at the top of my micro aquarium I noticed a small spherical object. I then was told it was a food pellet. Upon further observation I noticed several of my micro organisms congregating around the pellet.
During my third observation I noticed a significant increase in the Caenomorpha population from my second viewing. Upon further observation I have found another snail that I missed on the previous week. I continue to see the same population size of the worms. They do however show a slight increase in size. When looking at the top of my micro aquarium I noticed a small spherical object. I then was told it was a food pellet. Upon further observation I noticed several of my micro organisms congregating around the pellet.
Thursday, November 20, 2008
Observation #2
Observation Date: 10/24/08
During this observation period I noticed a few more groups of Caenomorpha since last observation. The Chaelogaler limmaei population seemed to remain the same however, the was a noticeable increase in size in the worms. In this observation I noticed a new lifeform inside my micro aquarium that must have been looked over last time. A snail is present and was viewed on both sides since it was stuck to the glass on one side. It could be seen in great detail due to its size. Also the size of the lifeform allowed its mouth to be visible while it fed on the plants life.
During this observation period I noticed a few more groups of Caenomorpha since last observation. The Chaelogaler limmaei population seemed to remain the same however, the was a noticeable increase in size in the worms. In this observation I noticed a new lifeform inside my micro aquarium that must have been looked over last time. A snail is present and was viewed on both sides since it was stuck to the glass on one side. It could be seen in great detail due to its size. Also the size of the lifeform allowed its mouth to be visible while it fed on the plants life.
Aquarium Contents
Observation Date: 10/14/08
When putting together my micro aquarium in lab, I selected water number three. To this I added plants from both sources A and B. When observing for the first time I did not notice a large amount of life. I did however see 3 or 4 "worms" (Chaelogaler limmaei) and a small group of Caenomorpha which are sometimes called "umbrellas." The other things that were viewable was the plant life that was inserted in to the micro aquarium.
I found both of these lifeforms in the book "Freeliving Freshwater Protozoa" by D.J. Patterson.
When putting together my micro aquarium in lab, I selected water number three. To this I added plants from both sources A and B. When observing for the first time I did not notice a large amount of life. I did however see 3 or 4 "worms" (Chaelogaler limmaei) and a small group of Caenomorpha which are sometimes called "umbrellas." The other things that were viewable was the plant life that was inserted in to the micro aquarium.
I found both of these lifeforms in the book "Freeliving Freshwater Protozoa" by D.J. Patterson.
Tuesday, November 11, 2008
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