Bio Report

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Submitted By brittantoinette
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How the temperature, dissolved oxygen, and pH differ from the wetland vs. the stream
ABSTRACT: This study examined the temperature, dissolved oxygen level, and pH level in wetland water and stream water. It was predicted that the dissolved oxygen would be higher in the stream because of its moving water. The temperature in the wetland will be higher because the sun is directly on it. Testing six tubes from both the wetland and the stream, findings show the temperature did indeed prove to be higher in the wetland. However, the dissolved oxygen level was higher in the wetland as opposed to the stream.
INTRODUCTION: pH is the level of concentration from Hydrogen ions within a substance. It is usually measured to determine how much aquatic life can be supported within an environment (Metro 1990). Along with having the correct amount to Hydrogen ions, both the stream and the wetland have a level on dissolved oxygen level. This level is measured to the amount of oxygen gas bubbles within the water that the aquatic life uses to sustain itself. This oxygen is also used to decompose of organic matter (Metro 1990). The purpose of this experiment is to test to determine to what levels of both pH and dissolved oxygen are processed by the stream and wetlands. . It was predicted that the dissolved oxygen would be higher in the stream because of its moving water. The temperature in the wetland will be higher because the sun is directly on it.
METHODS/MATERIALS: Thirty-six test tubes were labeled with masking tape in order to differ between the wetland being tested and the stream being tested. Eighteen test tubes are labeled “Stream” and the other eighteen are labeled “Wetlands”. Separate the test tubes to test tubes stands, making sure you have a group for each aspect you are trying to measure, i.e. temperature, pH, and dissolved oxygen. Use a cup with an extended arm to…...

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