The Gulf of Mexico dead zone that forms each summer at the mouth of the Mississippi River is caused largely by the input of agricultural fertilizers. Many scientists advocate restoring wetlands (as well as creating them) as a strategy to reduce the severity and extent of the dead zone. The idea is that plants in healthy intact wetlands will remove these nutrients from the water (during growth) and prevent their washing into the river and the Gulf of Mexico. List at least two potential benefits to this strategy, as opposed to a more traditional chemical intensive approach such as that used at most waste water treatment plants.
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Number and variety of living organism; includes genetic, species, and ecological types
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The table below shows data for a population of fish in a pond. fish body color # of fins scales? tail shape a silver 4 yes fan b pink 4 yes flat c black 4 yes fan d orange 4 yes flat e orange 4 yes fan f silver 4 yes flat which of the above characteristics would be most in developing a classification system for the fish? a. body color and tail shape b. presence of scales and tail shape c. body color and number of fins d. number of fins and presence of scales
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Which statement correctly compares metaphase i and metaphase ii? in metaphase ii twice as many chromosomes line up along the middle of the cell as in metaphase i. in metaphase i twice as many chromosomes line up along the middle of the cell as in metaphase ii. in metaphase ii twice as many chromosomes are pulled to opposite ends of the cell as in metaphase i. in metaphase i twice as many chromosomes are pulled to opposite ends of the cell as in metaphase ii.
Answers: 1
The Gulf of Mexico dead zone that forms each summer at the mouth of the Mississippi River is caused...
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