Yes, a pig is a mammal.
Mammals
Yes. Pigs are mammals, and all mammals are vertebrates (have backbones).
There is no reason other than that Guinea Pigs evolved to be mammals.
Yes. All mammals have arteries.
No, guinea pigs are not the tiniest version of a pig. Pigs are mammals and guinea pigs are also mammals but they are categorized into the rodent family
A pig is a mammal because it fits a mammals description. It is warmblooded and it has a vertebrae. A pig also gives birth to live offspring. Although fine, A pig has hair and it produces milk.They are warm blooded, they also feed from their mothers breast milk.
A pig has one heart, like most mammals.
As in most mammals, the fetal pig will form within the placenta in the uterus of the mother.
Of course! You can feed a pig bacon.
Same as other mammals- they use lungs.
it is a fish
No. Like most mammals, the mother has sex with a male guinea pig.