It is unusual to bear more than one.
Each pregnancy usually results in a single baby after about 7.5 months. Twins happen but are very rare.
They dont hatch . . . Chimpanzees are mammals. They are born exactly the same way humans are.
1
Same a human.26 pairs .
A chimpanzee's gestation period is around 8 to 9 months.
1
Same a human.26 pairs .
Twelve thoracic vertebrae, same as you have.
they both are primates
only if they come from the same pregnancy.
There are many tissues that are similar, but for the most part there is no one tissue that is exactly the same between humans and even chimpanzees.
decaplets are 10 baby born at the same time ten babies are in decaplets