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Week One Notes

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by: Rebecca Weidner

Week One Notes Bio 3030

Rebecca Weidner
GPA 3.86

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About this Document

Notes for the first week that will be on midterm.
Dr. McCoy
Class Notes
25 ?




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1 review
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"I'm really struggling in class and this study guide was freaking crucial. Really needed help, and Rebecca delivered. Shoutout Rebecca, I won't forget!"
Miguel Bartell

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This 1 page Class Notes was uploaded by Rebecca Weidner on Monday January 11, 2016. The Class Notes belongs to Bio 3030 at East Carolina University taught by Dr. McCoy in Spring 2016. Since its upload, it has received 77 views. For similar materials see Physiology in Biology at East Carolina University.


Reviews for Week One Notes

Star Star Star Star Star

I'm really struggling in class and this study guide was freaking crucial. Really needed help, and Rebecca delivered. Shoutout Rebecca, I won't forget!

-Miguel Bartell


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Date Created: 01/11/16
During the aquatic lab this week, we examined two different bodies of water. The  first site was a lotic stream that runs between two parking lots. The second site was a  pond located further from the roads where it was highly shaded. There was much more  animal life around the pond than there was around the stream. The stream had at least one drainage pipe emptying into it and a large amount of small litter items in it, but the pond  did not have any drainage pipes and very little litter. The temperature of the stream was  25 degrees on the surface, but 24.6 degrees Celsius on the bottom and the temperature in  the pond was about 26.1 degrees Celsius both on the surface and the bottom. The depth of the stream was 45 centimeters and the flow was .205 meters per second, whereas in the  pond the depth was 71 cm and there was no flow at all. The secci disk depth of the stream was 28 cm and in the pond it was only 10. The conductivity was 131 micro Siemens per  centimeter in the stream and about 94 micro Siemens per centimeter in the pond. The  stream had 12 ppm dissolved carbon dioxide and the pond had about 6 ppm dissolved  carbon dioxide. The stream had dissolved oxygen levels of 3.38 ppm at the top and 2.28  ppm at the bottom. The pond had less, with 3.05 ppm on top and only .88 ppm on the  bottom. The nitrate concentration of the stream was .22 ppm on top and bottom, whereas  in the pond it was .17 ppm on the top and .16 ppm on the bottom. The pH of the stream  was about 8.0 and in the pond it was higher at about 8.8. The substrate in the stream had a lot more large rocks and sand and in the pond it was more muddy with a few rocks. In the stream we caught about 20 fish with the net and found mayfly larvae, dragonfly larvae, as well as clams. In the pond we caught a lot more fish, more than 60, and found a dragonfly larva. 


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