No, tent worms, webworms, and silk worms also spin webs and cocoons.
Well spiders that make webs only make the webs so that they can catch food; I'm presuming by 'hunting spiders' you mean spiders that kill in limb to limb action and/or biting/venom - these spiders kill stuff themselves and so don't need a web to survive... Survival of the fittest and shiz! Yeah that's just my opinion, but technically all spiders are hunters since they eat other animals ;)
no, they both make the same
When ever they want to . But some do not make webs
Spiders make unique webs because they do not want other spiders coming into their webs. They have a unique shape, design, and scent to keep other away.
NO
yes.
orb spiders
trapdoor spiders
Spiders spin webs not only for shelter but to capture their food. Insects, bugs, and other spiders get caught in these webs.
yes they do
spiders make webs
no, but SPIDERS spin WEBS.