Facultative sex allows some animals to reproduce with or without a partner. So why can’t humans do it?
A variety of species across the animal kingdom can reproduce both sexually and asexually, including some types of starfish, ...
SciELO19d
Bryophytes in one of the largest and little-studied conservation units in the Brazilian Cerrado: Nascentes do Rio Parnaíba National Park
since it is possibly a new species. Figure 5. Numbers of species according to their reproductive strategies (monoicous and dioicous) and type of reproduction (asexual, sexual and asexual/sexual).
Slate28d
My Girlfriend and I Have Always Gladly Agreed to Not Have Sex. Well, Something’s Changed.
I love her, she loves me, everything’s great. Except for one thing. She’s asexual. I knew that going in. On the back end of my divorce and not having sex for years anyway, I didn’t care.