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Because animals hatched in eggs do not have an umbilical cord, therefore. do not have a bellybutton, the scare left after the umbilical cord is cut. Some animals not hatched from eggs come out of their mothers in a sack and the sack is licked off by their mothers, therefore are left without a bellybutton.
What else can I help you with?
What mammals have bellybuttons?
All placental animals have belly buttons.
Do all animals have bellybuttons?
No. Only mammals have belly buttons.
What animals have bellybuttons?
Mammals, yes.
Do pigs have bellybuttons?
no pigs dont have belly buttons
Why do dolphins have bellybuttons?
Dolphins are placental mammals. All placental mammals have bellybuttons of some kind.
Why do cats have bellybuttons?
Cats are placental mammals, and all placental mammals have bellybuttons of some sort.
Do dolphins bellybuttons?
As a matter of fact, dolphins do have bellybuttons. All mammals have them because that is where their umbilical cord was connected.
Do chickens eat bellybuttons?
Yes, they do eat bellybuttons. It's their favorite food!
Do vampires have bellybuttons?
Yes.
Do bellybuttons make you breathe?
no
What are the name of all the spotted insects and animals?
if you dont know this answer.................you dont know anything.............
Can bellybuttons come undone?
Umm, no ;)
