Well... if its mucus that's causing the resistance then the sperm need more power to overcome the resistance. So if a group clump together in a way that focuses the forces of their movement on a small section of mucus then they'll work like a group snowplow.
Well... if its mucus that's causing the resistance then the sperm need more power to overcome the resistance. So if a group clump together in a way that focuses the forces of their movement on a small section of mucus then they'll work like a group snowplow.
Sneaky