Which of these is an example of punctuated equilibrium?
A) Australian marsupials resemble Asian placental mammals,
B) Insects gradually evolved from centipedes over a period of millions of years.
C) Bryozoans remained unchanged for its first 40 million years and then showed
many variations.

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )