Males actually used to be females in the womb. So when the male was formed they still had the nipples the females would use.
All dogs have nipples because they are mammals. The dogs that seem to not have nipples are just hidden under their hair.
same reason that male humans have nipples.
they don't its there biceps
female dogs are 'bitches', male dogs are just 'dogs'
Male dogs can not go into heat.
Because they ARE male dogs. Have him neutered to control unwanted behaviors.
It is called a dog. Normally male dogs are neutered and female dogs are spayed. Male dogs that don't have their parts are referred to as "intact" or "whole".
no
no
by getting on top of the male and taking advantage.
No ,male dogs do not possess cloaca but placental mammals have cloaca in their embryonic stage.
Male dogs typically extend their penises prior to mating. Male dogs may be unable to control their erections during times of extreme excitement or stress.
they will try to be the alpha a round other male dogs and try to convenes the female that they are more stronger then the other male
Yes.
I believe they prefer male dogs.