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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.
It now appears that the spiral orb web may be one of the earliest forms, and spiders that produce tangled cobwebs are more abundant and diverse than orb-weaver spiders. Spider-like arachnids with silk-producing spigots ( Uraraneida ) appeared in the Devonian period , about 386 million years ago , but these animals apparently lacked spinnerets.
The triangulate cobweb spider is known to prey on many other types of arthropods, ants (including fire ants), other spiders, pillbugs, and ticks. It preys on several other spiders believed to be harmful to humans, including the brown recluse. Anything it catches in the web it preys upon.
The Cobweb (disambiguation) Cobweb Bridge or Spider Bridge, a bridge in Sheffield, South Yorkshire, England; Cobweb model, an economic model of cyclical supply and demand; Cobweb plot, a visual tool used in the dynamical systems field of mathematics to investigate the qualitative behaviour of one-dimensional iterated functions
Pakistan's spinners propelled their team to an emphatic 57-run win over Zimbabwe in the first Twenty20 cricket international on Sunday. Left-arm wrist spinner Sufiyan Muqeem claimed 3 wickets for ...
Theridiidae, also known as the tangle-web spiders, cobweb spiders and comb-footed spiders, is a large family of araneomorph spiders first described by Carl Jakob Sundevall in 1833. [1] This diverse, globally distributed family includes over 3,000 species in 124 genera , [ 2 ] and is the most common arthropod found in human dwellings throughout ...
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An animated cobweb diagram of the logistic map = (), showing chaotic behaviour for most values of >. A cobweb plot , known also as Lémeray Diagram or Verhulst diagram is a visual tool used in the dynamical systems field of mathematics to investigate the qualitative behaviour of one-dimensional iterated functions , such as the logistic map .