You bet they do :D Red backs aren't fussy eaters (from my owning experience) and will eat almost anything. The one thing NONE of my red backs eat though, are those white moths with the black and red spots...
Redbacks usually prey on insects but they can capture larger animals that become trapped in the wec including king crickes, trapdoor Spiders, and small lizards.
yes
The common black house spider eats redback spiders. This probably explains why redbacks are uncommon inside the house. Both redbacks and black house spiders are shy (especially the redback). A house spider will get to recognize you if you feed it ;)
they eat insects and they are very keen for spiders
Most crickets eat spiders. If the spider is big than no. The common crickets only eat small spiders.
To my experience, in fact spiders do eat turtles.
The Red Back Spider and the Funnel Web Spider (sometimes called the Sydney Funnel Web spider) are Australia's two poisonous spiders.
No. They are invertebrates
a redback has no affect on the environment accept killing the environment
"Redback spiders can be difficult to remove because mere spraying of pesticides cannot kill redback spiders. Their hiding places have to be identified. Brisbane Pest Control Specialists from Bob Gunn can correctly identiywhere redback spiders are hiding because they know the insect's life cycle and habits." Source: Achive.org - Removing Redback Spiders From The Home
what are red back appearances
Redback, found in Australia
The common black house spider eats redback spiders. This probably explains why redbacks are uncommon inside the house. Both redbacks and black house spiders are shy (especially the redback). A house spider will get to recognize you if you feed it ;)
Redback spiders in Australia like dark semi damp environments like in culverts, or under pot plants. But mostly dark tight places
yes they can be crossbred red back spiders
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.
Redback spiders are a unique species that exist solely in Australia. If you need more information on them there are a number of websites available on Google.
Because redback spiders are related to the black widow just they are in different parts of the world
Redback salamanders eat bugs, mice, rats, ants, potato bugs, mosquitoes, frogs, toads and fishes.