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A recent study suggests that insects branched out from crustaceans

96 pointsby Carrokabout 1 month ago

12 comments

adrian_babout 1 month ago
The title should mention the 2023 year, as reference for &quot;recent&quot;.<p>As explained in the article, this is actually old news.<p>There has been more than a decade since it is well known that the hexapods a.k.a. insects have evolved from within a certain group of crustaceans, which includes the water fleas.<p>The 2023 research paper linked in the article has only provided stronger evidence for this.<p>The main implication of this discovery is that the myriapods (e.g. millipedes and centipedes) are much more remotely related to insects than it has been believed in the past and they have adapted to a terrestrial life completely independently and much earlier than the insects (the invasion of the land by major animal groups has happened in the order myriapods, then arachnids, then hexapods a.k.a. insects, then tetrapod vertebrates, by a coincidence in decreasing order of the number of legs).
Imnimoabout 1 month ago
I&#x27;m so used to seeing the &quot;fish crawling onto the shore&quot; cartoon of evolution that I assumed the branching always went that way - land creatures are branchoffs of sea creatures. But surely this is oversimplified - are there examples in the other direction, where a branching occured in land animals and one branch then returned to the sea?
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abeindoriaabout 1 month ago
I strongly suggest reading Neil Shubin&#x27;s &quot;Your Inner Fish&quot; which explains a bit more on how different bits etc evolved if you&#x27;re interested in the topic.
dborehamabout 1 month ago
Makes sense: a coastal cave is a great environment where an organism can experiment with moving from water to land.<p>This article also nicely highlights how some scientists can just make stuff up, subsequently overturned when someone finds a fact-based way to evaluate their erroneous conclusions. See also archeology.
nmstokerabout 1 month ago
For a fairly science focused article I was a little surprised they referred to &quot;bugs&quot; in the casual &#x2F; technically incorrect manner, as covered here:<p><a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Insect#Distinguishing_features" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Insect#Distinguishing_featur...</a>
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willis936about 1 month ago
I suspect crustacean allergies are actually arthropod allergies. I haven&#x27;t seen much research on this though.
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ljspragueabout 1 month ago
There is a tree-dwelling shrimp.<p><a href="https:&#x2F;&#x2F;www.metafilter.com&#x2F;201489&#x2F;A-shrimp-that-dwells-in-trees" rel="nofollow">https:&#x2F;&#x2F;www.metafilter.com&#x2F;201489&#x2F;A-shrimp-that-dwells-in-tr...</a>
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anigbrowlabout 1 month ago
I&#x27;m surprised to learn anyone thought otherwise.
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upghostabout 1 month ago
whoa whoa whoa I was told everything evolves into crabs[1]:<p>[1]: <a href="https:&#x2F;&#x2F;xkcd.com&#x2F;2314&#x2F;" rel="nofollow">https:&#x2F;&#x2F;xkcd.com&#x2F;2314&#x2F;</a>
fallatabout 1 month ago
This seems so obvious
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dangabout 1 month ago
[stub for offtopicness]
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epicureanidealabout 1 month ago
Is this part of an &quot;eat bugs&quot; marketing push?<p>&quot;Bugs are just miniature lobsters&quot;. If anything, makes me not want to eat crustaceans.