The myriad life forms inhabiting the waters that comprise over 70% of our planet's surface have proven exceedingly difficult to number. Until now! A startling new approach analyzes the DNA animals leave behind in their natural habitats, telling us which species are living where, how many there are, and what habitats they prefer. Just a scoop of water reveals all! Standout environmental DNA studies in Japan have detected previously unsighted aquatic animals, with more expected in the future.
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