Just what makes that little old ant… change a flower's nectar content?

Ants play a variety of important roles in many ecosystems. As frequent visitors to flowers, they can benefit plants in their role as pollinators when they forage on sugar-rich nectar. However, a new study reveals that this mutualistic relationship may actually have some hidden costs.

Fuente : http://www.eurekalert.org/pub_releases/2013-04/ajo...