All animals urinate.
Rats defecate where it is convenient for them.
Wild black rats.
No. Wild rats can have diseases, but are not poisonous.
typically mostly herbivorous, but wild rats can be omnivorous
Probably because wild rats carry diseases and they steal human food. But domestic rats are nothing like wild rats. They are very intelligent and cute. Hope this helped!
to hold it's urine.
snakes
they are omnivores
no
Pet rats are not domesticated wild rats, rather, they are brown rats domesticated more than 100 years ago to now be fancy rats.
yup, wild ones almost always do. And pet rats have their cage.
I don't know, maybe because of the wild rats. The wild rats are nasty, and spread diseases, but then people add that detail to the domesticated pet rats. I think pet rats are very clean, if you take care of them. Hope I helped ^^