TPO25-L1
Assisted Migration Conservation
Listen to part of a lecture in a Conservation Biology class.
- What is the main purpose of the lecture?
- A. To explain the government’s role in the regulating assisted migration.
- B. To discuss ways in which plants and animals adapt to climate change.
- C. To discuss a controversial approach to conserving plant and animal species.
- D. To describe a recently discovered consequence of global warming.
- According to the professor, what problem is assisted migration intended to overcome?
- A. To diminishing amount of undeveloped land that species can migrate through.
- B. The relative lack of nutrients available in cooler latitudes and higher elevations.
- C. The increase in alternations between cool and warm periods.
- D. Competition from other species in certain native habitats.
- What point does the professor make when she discusses the cane toad?
- A. Translocated species sometimes die out from lack of food.
- B. Translocated species may spread too quickly in their new environment.
- C. Several techniques are available to achieve assisted migration.
- D. Animal species are often easier to translocate than plant species are.
- What does the professor imply when she mentions translocating networking of species?
- A. There are aspects of interdependency that are unknown.
- B. Some species evolve in ways that help them survive in new habitats.
- C. It is difficult to know how far to move a network of species from its native habitat.
- D. Many assisted-migration plans should involve the translocation of just one species.
- What does the professor imply about the government’s role in regulating assisted migration in the United States?
- A. The government should continue to encourage assisted migration.
- B. The government has created policies that have proved unhelpful.
- C. The government should follow the example set by other countries.
- D. The government needs to increase its involvement in the issue.
- What is the professor’s attitude toward the effort to save the Florida torreya?
- A. She is glad that some conservationists are willing to take a chance on assisted migration.
- B. She is concerned because it may have unintended consequences.
- C. She is surprised because other species are more endangered than Florida torreya is.
- D. She expects the effort will have to be repeated several times before it succeeds.
答案：
C A B A D B