fossphi, 1 year ago Manual/deliberate sperm/egg production. I’m not an evolutionary biology expert, but my armchair thought process says that this trait might not survive the evolutionary pressure. The burden of child rearing is quite high (specially these days).
Manual/deliberate sperm/egg production.
I’m not an evolutionary biology expert, but my armchair thought process says that this trait might not survive the evolutionary pressure. The burden of child rearing is quite high (specially these days).