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A classic circular form spider's web Infographic illustrating the process of constructing an orb web. A spider web, spiderweb, spider's web, or cobweb (from the archaic word coppe, meaning 'spider') [1] is a structure created by a spider out of proteinaceous spider silk extruded from its spinnerets, generally meant to catch its prey.
Spider web sheet suitable for making a cobweb canvas. The cobwebs obtained for the early Austrian example came from Agelenidae funnel-web spiders, whose gossamer sheets were collected in the form of a thin canvas, then put under tension to make an oval blank. The canvas can be strengthened by brushing diluted milk onto the web with great care. [1]
Male is smaller than female. Male spins a web around the female's web, which is known as a companion web. After the mating, as in other common spiders, female kill the male. Female lay eggs on the companion web and wrap them up into a sac. Spiderlings eat each other in the sac until the strongest spiderling break the sac wall. [3]
A very simple stylized spiders web. black and white outline. Date: 25 March 2005: ... Scalable Vector Graphic of a spider web. Items portrayed in this file depicts.
The building of a web is an engineering feat, begun when the spider floats a line on the wind to another surface. The spider secures the line and then drops another line from the center, making a "Y". The rest of the scaffolding follows with many radii of nonsticky silk being constructed before a final spiral of sticky capture silk.
The average toughness of the fibres is 350 MJ/m 3, and some are up to 520 MJ/m 3, making the silk twice as tough as any other spider silk known. [8] The web of Darwin's bark spider is remarkable in that it is not only the longest spanning web ever observed, but is the largest orb web ever seen, at an area of up to 2.8 square metres (30 sq ft). [2]
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses ...