| 21. | The shell of the lightning whelk on the other hand almost always opens on the right.
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| 22. | The report stated that female dog whelks still grow penises even after a ban on tributyltin.
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| 23. | True whelks are carnivores and scavengers.
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| 24. | Rock lobsters brought to Marcus Island were quickly consumed by the whelks, which outnumbered them.
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| 25. | One 17th-century shells of whelks, then piercing them with a hole before stringing them.
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| 26. | The knobbed whelk is a common predator of the foreshore mudflats as far offshore as 50 m.
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| 27. | True whelks are mostly marine ( with some genera freshwater ) gastropod mollusks in the clade Neogastropoda.
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| 28. | Perhaps the most famous Native bead is wampum, a cylindrical tube of quahog or whelk shell.
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| 29. | "Wampum " is a Wampanoag word referring to the white shells of the channeled whelk shell.
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| 30. | Today, due to environmental causes, harvested lightning whelks are significantly smaller than in precontact times.
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