Caffeine confers a survival advantage on the plants containing it because if it is ingested by insects, it functions as a natural pesticide which can paralyze and kill them; it can also enhance the reward memory of pollinators such as honey bees.
Caffeine confers a survival advantage on the plant containing it because if it is ingested by an insect feeding on and potentially damaging or killing the plant, caffeine functions as a natural pesticide which can paralyze and kill the insect. Caffeine can also enhance the reward memory of pollinators such as honey bees.