1. Why does the professor discuss Gila monsters?
A. As an example of an animal that is highly venomous
B. As an example of an animal that has adapted to living in deserts
C. As an example of an animal that might seem difficult to classify
D. As an example of an animal whose behavior is not well understood
2. What reason does the professor give for classifying Gila monsters as lizards?
A. Their venom is more dangerous than snake venom.
B. Their colors blend with the desert surroundings
C. They have skeletal features common to all lizards.
D. They reproduce the same way as lizards do
5. What does the professor mean when he says this:
A. To determine whether the students are familiar with Gila monsters
B. To introduce a personal story about her hometown
C. To challenge a statement from one of the students
D. To encourage the students to do more research on animals from the Southwest