Cat wormer is available over the counter, just be prepared to clean up what comes out.
Worms eat cats that are decomposed and they take small bites of it.
White worms in cats and dogs are probably tapeworm, which is spread by fleas.
cats do not get worms if they are properly fed and healthy, if they do contract some sort of disease that causes worms they need to be taken to a vet immediately.
NOT at all
Yes
No. worms, bacteria are decomposers
No.
Yes
A cat can die from certain types of worms. Like the heartworm, a cat can die from. But worms around its rear end aren't fatal. It's best if you contact a vet and get it treated so its not going to spread to other cats.
Some worms can bite.
No, but their stomachs feel somewhat hard when they have any types of worms.
No, cats are not segmented. Cats are mammals, I believe only some worms and some insects are segmented.