In the ongoing battle between humans and cockroaches, the insects have a leg up. A new study finds that roaches evolved taste buds to make sweet insecticide baits taste bitter. As a result, the roaches avoid the baits and thrive, to the frustration of heowners everywhere. Plenty of insects evolve resistance to pesticides; they gain the ability to break down poisons without g. German cockroaches, on the other hand, evolved what's known as a behavioral resistance to baits. They simply stopped ng them. "Our paper is the first to show the sensory mechanism that underlies that behavioral resistance," said study researcher by Schal, an entomologist at North Carolina State University. The answer, Schal and his colleagues found, is in the taste buds. German cockroaches are the small, scuttling roaches frequently seen in human habitats, including homes and restaurants. y grow to be about a half-inch (1.27 centimeters) long and are omnivorous, scavenging everything from grease to starch. VIleat pretty much anytbing in the kitcben but they gre incredibly good at eating things that gre adantive to them" Schal told
In the ongoing battle between humans and cockroaches, the insects have a leg up. A new study finds that roaches evolved taste buds to make sweet insecticide baits taste bitter. As a result, the roaches avoid the baits and thrive, to the frustration of heowners everywhere. Plenty of insects evolve resistance to pesticides; they gain the ability to break down poisons without g. German cockroaches, on the other hand, evolved what's known as a behavioral resistance to baits. They simply stopped ng them. "Our paper is the first to show the sensory mechanism that underlies that behavioral resistance," said study researcher by Schal, an entomologist at North Carolina State University. The answer, Schal and his colleagues found, is in the taste buds. German cockroaches are the small, scuttling roaches frequently seen in human habitats, including homes and restaurants. y grow to be about a half-inch (1.27 centimeters) long and are omnivorous, scavenging everything from grease to starch. VIleat pretty much anytbing in the kitcben but they gre incredibly good at eating things that gre adantive to them" Schal told
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter33: Sensory Perception
Section: Chapter Questions
Problem 1CT: Like other nocturnal carnivores, the ferret shown in FIGURE 33.13 has light-reflecting material in...
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Use DIRECT evidence from the text, provide a biological explanation for why pest companies should limit the production of sugary baits in order to control cockroaches.
Use the terms: behavioral resistance, glucose, taste buds
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