9.8

1. 1. Listen to Track 62.

      Now answer the questions.

   1. What is the main purpose of the lecture?

      1. To introduce ways for students to optimize their social networks
      2. To describe the characteristics of networks and provide examples
      3. To explain the differences between social and neurological networks
      4. To explain the differences between networks of fish, birds, and the brain

   2. Why does the professor talk about bees?

      1. To emphasize the importance of environmental conservation
      2. To draw an analogy between the farming industry and naturally occurring networks
      3. To provide an example of a keystone species in a larger network
      4. To show how networks can change over time

   3. According to the professor, which of the following are examples of networks? Choose 2 answers.

      1. A football team
      2. A neurotransmitter
      3. A police department
      4. A school of fish

2. 1. Listen to Track 63.

      Now answer the question.

   4. 1. To connect the previous examples to the main topic of the lecture
      2. To ask students for examples of social networks
      3. To acknowledge that she has strayed off topic
      4. To encourage students to draw from their owns experiences

5. What does the professor compare to serotonin, a neurotransmitter that impacts mood?

   1. A company working to manufacture a product
   2. A school of fish avoiding a predator
   3. Vitamins C and B6 ingested as supplements
   4. A team member who is assigned an appropriate task

6. What example of a network’s resources does the professor provide?

   1. A neurotransmitter
   2. A football team’s equipment
   3. A school of fish
   4. Winning a game