Yes
If by "redback spiders" you mean the kind of widow spiders that grow in Australia, they make the same kind of three-dimensional tangled filament webs that all the member of their Family make. Some other kinds of spiders make orb webs, sheet webs, etc.
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.
yes.
NO
orb spiders
trapdoor spiders
yes they do
spiders make webs
no, but SPIDERS spin WEBS.
Not necessarily. Both female and male spiders are capable of making various types of webs. The complexity and appearance of a spider's web are often species-specific rather than being determined by gender. However, some species do exhibit differences in web design based on their hunting strategies.
Yes.Because why can it move and why can it make sider webs?