Worms
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500-million-year-old “squid” were actually ferocious worms
Remarkable fossils found in North Greenland have helped researchers solve a 500-million-year-old puzzle surrounding squid-like ancestors. It was previously thought ancient organisms called nectocaridids, which bear a resemblance to squid, were a type of cephalopod – marine molluscs with tentacles and a prominent head. But scientists, co-led by the University of Bristol, have now shown these creatures are actually an…
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Parasitic Worms Could Help Save Chesapeake Bay’s Blue Crab Fishery
Parasitic worms on blue crab eggs may reveal a crab’s spawning history. Their resilience in varied salinities makes them promising for fishery monitoring. Parasitic worms that feed on crab eggs may seem unsettling, but for blue crabs in the Chesapeake Bay, they are a common part of life. A recent study in PLOS One by […] Source link
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