Rattlesnakes Strike and Inject Venom into Prey and Then Release

question 34

Multiple Choice

Rattlesnakes strike and inject venom into prey and then release the prey item and follow it until the venom takes its effect. Typically, rattlesnakes strike at the base of the skull, and their strike accuracy is very high. Because the brain is very active, it produces a lot of heat, and this is detected by the snakes with __________ located in pit organs on the anterior region of the head.

• A) thermoreceptors
• B) photoreceptors
• C) chemoreceptors
• D) pain receptors

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