This question intrigued me a lot since if animals in the wild did have menstruation with blood flow, wouldn't all that blood be attracting every other predator in the vicinity?
Theoretical question Can diploidy (or polyploidy) evolve from a haploid lineage in the absence of sexual reproduction ? For what theoretical reason? How can such evolution take place? Empirical ...
I read an older article where they talk about species being strictly monosexual as opposite of being hermaphrodite, etc . After an extensive googling and reading about how everybody has to be at ...