Ferns and flowers bribe helpful ant defenders with nectar, but ferns developed this ability much later – our study shows why
ph. Ants foraging for nectar on a Bracken fern (Pteridium aquilinum). Jacob S. Suissa, CC BY-ND Jacob S. Suissa, University of Tennessee Look closely at a plant in your local park, your garden or even your kitchen, and you’re likely to see some damage. Whether a caterpillar has chewed away part of a