Arms Race Coevolution: The Local and Geographical Structure of a Host–Parasite Interaction

RT @D0CT0R_Dave: The dispersed seeds sprout on cactus spines, growing toward the main stem. The longer the spines, the less likely the mis…

The dispersed seeds sprout on cactus spines, growing toward the main stem. The longer the spines, the less likely the mistletoe will establish—an exquisite example of a parasite driving trait evolution in its host. Pics by Wilfredo Gonzáles Lozada. 4/4 ht