1) Be sure the Information about the collection of the zebra mussel data.

2) In your guidance include predictions on the long-term impact of de-icing on the zebra mussel population.

3) The relevant factors that may limit or prevent the spread of the zebra mussel are uncertain.

4) Researchers are attempting to identify the environmental variables related to the zebra mussel infestation in North American waterways.

5) You will have access to some reference data to include listings of several chemicals and substances in the water system that may affect the spread of the zebra mussel throughout waterways.

6) Be sure to review the Information about the collection of the zebra mussel data.

7) That's how scientists think the destructive and oft- pilloried Zebra mussel got into the Great Lakes.