Some sample questions from this category:
* This large mollusk, found only along the Pacific coast, grows from tiny, free-swimming larvae called veligers. After a week , the larva settles on a rock or other hard object and develops into an adult.
* Rocks, piers, seawalls, mangrove roots, and splash pools are all home to these rounded snails?
* Unfortunately for North American collectors, these highly prized shells--smooth, glossy, and toothed around the openings--are mainly tropical, with only 5 of the 200 species found in local waters.
* Also popular with collectors, the large Pink or Queen occurs off southern Florida, but most shells found in gift shops are imports from the Carribean.
* Which of the following shells can be found in fresh water?
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