Seashells are so plentiful that you may sometimes take them for granted. Scientists have estimated that just one small stretch of beaches along the Gulf of California contained at least 2 trillion ...
Hermit crabs have an odd housing situation. Rather than produce their own shells like other crustaceans, they must find an empty shell made by a completely different species, marine snails, in order ...
Add Yahoo as a preferred source to see more of our stories on Google. Seashells are so plentiful that you may sometimes take them for granted. Scientists have estimated that just one small stretch of ...
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