Does spider need to drink water?

Discussion in 'Biology & Genetics' started by Saint, Feb 26, 2020.

  1. Saint Valued Senior Member

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    Does spider need to drink water?
    Cockroach, bees, butterfly, fly etc, those insects do they need to drink water?
    The spider stay on the web at the top wall corner in my house, where does it get water to drink?
     
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  3. sculptor Valued Senior Member

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    Yes
     
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  5. James R Just this guy, you know? Staff Member

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    Spiders will drink dew that condenses on their webs, or from droplets of water when it rains, or from other sources. They don't need huge volumes of water.
     
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  7. Jeeves Valued Senior Member

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    Every living thing needs water.
     
  8. Hercules Rockefeller Beatings will continue until morale improves. Moderator

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    Yes, all living organisms require water. But the original question might relate to whether all animals need to “drink” water in the same way that mammals do, ie. transfer water into an oesophageal opening then swallow. The answer to that question is no. A variety of animals extract their water requirement from the solid food they eat without the need to drink liquid water. Amphibians can absorb water through their bodies; this is what makes them so sensitive to environmental contaminants.

    This is an interesting general science piece that touches on this issue:
    http://www.bbc.com/earth/story/20160926-the-creatures-that-can-survive-without-water-for-years
     
  9. Beer w/Straw Transcendental Ignorance! Valued Senior Member

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    Aside. this might be interesting and on cue:
    https://www.google.com/search?channel=trow2&client=firefox-b-d&q=coffee hydrates more
     
  10. geordief Valued Senior Member

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    1,706
    Yes the whole advice to drink bucket loads of water is on very shaky ground. I think it is a non issue so long as you have water somewhere in your diet (even normal food has water in it)

    Of course ,if you engage in hard physical activity you have to drink more but that is what thirst is for ,to remind you of that. (marathon runners etc may well have to force themselves to drink more than they want psychologically)
     
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