Thanks Casey. Hopefully our test will have a lot of macroinvertebrates and not many estuary questions. Our states is in one week and 2 days.
The estuary questions are very simple. Just for review though, look this over:
http://www.soinc.org/sites/default/file ... COLOGY.doc
It's very useful, because I'm sure there were be at least one question on the different kinds of estuaries (salt-wedge, fjord, etc.) and estuarine habitats (salt marshes, mud/sand flats, etc.). There were about one of each on my test.

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“Goodbye,” said the fox.
“And now here is my secret, a very simple secret:
It is only with the heart that one can see rightly;
what is essential is invisible to the
eye.”
Le Petit Prince, Antoine de Saint-Exupéry