Biology Discussion Question

In California, Pacific Northern rattlesnakes prey on California ground squirrels. Their relationship is a great example of coevolution. Read the Snake Venom Evolved to Kill Specific Squirrels with Shocking Precision article, then address the following questions:

• Explain why the relationship between these two species is considered an example of coevolution.
• What did you find most interesting or significant about how the rattlesnake population adapts to the squirrel’s defenses against its venom?