Define artificial selection and domestication and explain how humans have used these processes to create different dog breeds.

Describe how physical traits like squished faces or floppy ears were selected by humans and understand the impact these traits have on dogs’ ability to communicate emotions.

Compare and contrast wolves and domestic dogs in terms of their ability to express emotions through facial expressions.

Identify examples of exaggerated physical traits in dogs and discuss how these traits affect their behavior and communication.

Analyze the consequences of artificial selection on dogs’ physical features, communication, and relationships with humans.

Explain why understanding a dog’s emotions is important for safely interacting with dogs and preventing misunderstandings.

Discuss how scientists study animal behavior using observations, experiments, and data analysis.

Reflect on the role humans play in shaping the traits of domestic animals and consider the ethical implications of artificial selection.