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Handout
University of Mass.: Freshwater Mussel Reproduction Handout
University of Massachusetts

University of Mass.: Freshwater Mussel Reproduction

For Students 9th - 10th
This site, which is provided for by the University of Massachusets, gives a very good example of a typical bivalve reproductive cycle.
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Handout
What Is the Life Cycle of the Sea Snail? Handout
MadSci Network

What Is the Life Cycle of the Sea Snail?

For Students 9th - 10th
Good description of the molluscan life cycle as a way of answering the question in the title.
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