After a leg injury, pain makes a person avoid putting too much weight on the affected leg. Shielding the injury gives it time to heal. An injured insect shows no such shielding response. Some have cited the lack of such a response as evidence that insects do not feel pain. But insects do produce substances similar to our natural painkillers. Is the presence of these compounds in insects sufficient evidence to conclude that they feel pain?

After a leg injury, pain makes a person avoid putting too much weight on the affected leg. Shielding the injury gives it time to heal. An injured insect shows no such shielding response. Some have cited the lack of such a response as evidence that insects do not feel pain. But insects do produce substances similar to our natural painkillers. Is the presence of these compounds in insects sufficient evidence to conclude that they feel pain?

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter40: Nervous Systems

Section: Chapter Questions

Problem 3ITD

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After a leg injury, pain makes a person avoid putting too much weight on the affected leg. Shielding the injury gives it time to heal. An injured insect shows no such shielding response. Some have cited lack of such a response as evidence that insects do not feel pain. But insects do produce substances similar to our natural pain killers. Is the presence of these compounds in insects sufficient evidence to conclude that they feel pain?
Which of the following physiological systems has undergone selection in cockroaches in response to poison traps placed by humans? a. Tactile sensory neurons to sense human movement b. Visual systems to detect bait traps c. Digestion of glucose in the stomach d. Taste and sensory neurons
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