Tuesday, June 4, 2013
A Fairly Annoynig Example of Evolution
Cockroaches have historically relied heavily on glucose as a food source but in the span of the last few decades, many cockroaches have evolved to reject glucose because it is so commonly used as a bait in insect traps. Researchers have found that in many modern cockroaches it stimulates the neurons that sense bitter foods, making glucose unattractive as a food. Because these glucose-averse cockroaches have become so common, traps that use glucose as a bait have become ineffective.
An article about this topic can be found here.