sex

Conditions of affection

  • 3 תגובות
A cock embryo's male genitalia (artificially dyed red) before it withers, as seen under a scanning electron microscope. Figure (AM Herrera and MJ Cohn, University of Florida)

Why did the birds lose their male genitalia?

  • 23 תגובות
Sea snails have mutual sex (each is both male and female). Photo: Ayami Sakizawa, Osaka University

Nudibranch: A species of androgynous sea snail sheds its penis after each mating but also regrows it

  • One response
C. elegans worms in a petri dish - those that reproduced sexually survived better

The advantage is that it reproduces sexually

  • 48 תגובות