the Seeds of Science

Your source for the latest from the University of Toronto's department of Ecology and Evolutionary Biology

Tag Archives: Sperm

Are aggressive sperm a barrier to cross species sex?

By Arvid Ågren, EEB Males often compete fiercely for access to females. A new study shows that the consequences of this competition may extend beyond showy tails and big antlers, and … Continue reading

August 8, 2014