The measurement of the amount of energy molecules in a substance have, measured with a thermometer.
What is "temperature"
100
One of the results of erosion in urban areas is a lack of trees along stream banks, which can cause an increase in _________
What is "direct sunlight"
100
An organism which is large enough to be seen without a microscope and which does not have a backbone.
What is "macro invertebrate"
100
Why are high water temperatures dangerous for many types of aquatic life?
What is "high temperatures can lead to lower levels of dissolved oxygen"
100
When pollution comes from a specific manufacturing facility, it is said to be _______ __________ pollution
What is "point source"
200
The amount of sedimentation in water
What is "turbidity"
200
In a pre-developed area, a stream channel would tend to have _______ erosion vs a post-developed area
What is "less"
200
Why are macro invertebrates a good indicator of water quality?
What is "they require specific water quality conditions in order to survive."
200
Air pollution and acid rain can impact what chemical water quality indicator?
What is "pH"
200
This law was passed in 1972 with the goal of making all US water ways completely safe for fishing and swimming by 1983...it was responsible for turning around the health of the Great Lakes.
What is "Clean Water Act"
300
A form of nitrogen found in water, an essential nutrient for life
What is "nitrates"
300
In terms of substrate (pebble) sizes, urban streams tend to have ________ variation in sizes
What is "less"
300
In an urban stream environment, we would expect ________ number of macro invertebrate taxa versus in a natural or pre-development setting.
What is "fewer"
300
Although all organisms need this in order to live, too much of this nutrient can lead to eutrophication
What is "nitrates"
300
What is the greatest impact of storm run-off in urban stream environments?
What is "increased water flow"
400
Describes the chemical, physical, and biological characteristics of water as it is fit for its intended use such as drinking, farming, fish production, industrial processing, swimming, and aquatic animal protection.
What is "water quality"
400
This is the measurement of the number of different types of stream habitats, i.e. riffles, runs, pools
What is "habitat transitions"
400
In addition to counting the total number of taxa, we also looked at certain species of macro invertebrates. What made those species so important?
What is "the EPT taxa are particularly sensitive to water pollution"
400
If a scientist is interested in the amount of suspended particles in a body of water, he or she will use this piece of equipment
What is "turbidity tube"
400
What is the pH level of completely pure water?
What is "7 - neutral"
500
Nitrates cause too much algae which causes too much bacteria which causes too little dissolved oxygen...
What is "eutrophication"
500
This measurement gives an indication of the amount of storm flow entering a stream channel and the amount of erosion
What is "incision ratio"
500
A tool which allows the user to identify items in the natural world through a series of questions with TWO CHOICES each
What is "dichotomous key"
500
Name the steps of eutrophication
What is "nitrate levels go up, algae growth increases, bacteria growth increases, oxygen levels go down"
500
In addition to Upper and Lower Mud Creek, we have been examining the water quality of one of the tributaries...why?
What is "Mud Tributary acts as a reference or control since it is in a completely natural environment"