Caffeinated bees

Question 1

reference

Answer 1

Wright et al. (2013)

Question 2

Honeybees rewarded with caffeine, which occurs naturally in the nectar of … and … species, were … times more likely to remember a learned … scent than those rewarded with … alone

Answer 2

Coffea, Citrus, 3, floral, sucrose

Question 3

Caffeine … nerve responses involved in … learning and memory

Answer 3

potentiates, olfactory

Question 4

Caffeine concentrations never exceeded the bees’ … … threshold, implying that pollinators impose selection for nectar that is … active but not …

Answer 4

bitter taste, pharmocologically, repellent

Question 5

By using a drug to enhance memories of …, plants secure pollinator … and improve … success

Answer 5

reward, fidelity, reproductive