[2014] zburkehms: Why The Black Widow Spiders Are So Poisonous: Toxicology

Why the Black Widow Spiders areSo Poisonous:Toxicology.

Black Widows actually have similar toxic compounds with normal spiders, but black widow venom evolved more to become more dangerous.

not only has the venom evolved, but experts now believe that they can now spin stronger webs for bigger prey.

Female black widow eating a male.

As dangerous as they can be, the spiders only grow to about 8 to 10mm.

dont wry. no 1 has died from black wdow bite in USA 4 ovr 10 yrs.#Relief

The red hourglass on the back of the spider tells predators of its venom. birds will get sick if they eat one.

Red dots equal black widow area