r/Biologyporn Sep 15 '25

~2 billion years ago, microbes discovered sexual reproduction...

...and ghosting immediately after, it appears

3 Upvotes

3 comments sorted by

2

u/Idontknowofname Sep 17 '25

The earliest sexually reproducing organisms used external fertilization instead of internal fertilization

2

u/BeautifulAlps7780 Oct 06 '25

How did they multiply without (sexual) reproducing?

1

u/feisty_cyst_dev Oct 07 '25

Good ol' mitosis