How Do Spiders Make Their Webs?
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The chances are that at some time or another, you’ve seen a spider making a web. The way these little creatures jump around on their webs, and retrace their steps back and forth is really quite amazing. And that’s not to mention that they’re often fighting things like strong winds and rain while they do so. So just how do spiders make their webs?
It starts with the spinneret glands, which are the reason spiders are thought to ‘spin’ webs. In these glands the silk is produced that will be used to construct the web. Spiders can make two different kinds of silk; one is silky and one is not. The spider needs the sticky silk to catch any prey that might fly into the web, and the non-sticky silk to walk and jump on so that they don’t become stuck to their own webs.
When a spider first starts to construct its web, it will produce one single strand of sticky silk. The spider then needs to wait patiently for this piece of silk to be picked up by the wind so that it can then stick to something such as a window, a tree, or a wall. A spider will be patient, and will wait for as long as needed for this to happen. Once it does, the spider will then go back and forth across that thread of silk, reinforcing it as much as possible to provide support for the rest of the web.
The spider will then create the rest of the support threads necessary, which are generally the straight lines that resemble a simplistic star. Because these are the support threads, the spider will reinforce these as many times as needed before moving onto the rest of the web. When they are ready to do that, the spider will then begin making the circles that radiate from the center of the web and move outwards to give the web that classic spider web shape.
The way a spider builds its web is certainly fascinating, but what may be even more fascinating is what happens once the web is built. Once the spider is satisfied that they have built an effective web, it will then test it for stability. If they find that the web is not stable enough, the spider will usually choose to start a whole new web over again, rather than fix any parts on the web they’ve already built.
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