生物学 TPO36-L4 Gause's Hypothesis

TPO36-L4

Gause’s Hypothesis

Listen to part of a lecture in a biology class.
  1. What is the main purpose of the lecture?
  • A. To explain why a species of warbler might become extinct.
  • B. To discuss the evidence that led Gause to formulate his hypothesis.
  • C. To examine a hypothesis about what happens when species compete.
  • D. To identify factors that allow some species to dominate others.

 

  1. According to Gause’s hypothesis, what happens when two similar species compete for limited resources in the same habitat?
  • A. Both species will develop new nutritional requirements.
  • B. Both species will change their behaviors.
  • C. One of the species will eliminate the other from the habitat.
  • D. One of the species will spread into a new habitat.

 

  1. How do the five species of warbler described by the professor manage to coexist?
    [CHOOSE 2 ANSWERS]
  • A. By using different materials to build their nests.
  • B. By feeding in different sections of the tree.
  • C. By eating different kinds of insects.
  • D. By breeding at different times of the year

 

  1. What is the professor’s opinion about Gause’s hypothesis?
  • A. She thinks that it has not been disproved.
  • B. She thinks it is contradicted by basic laboratory experiments.
  • C. She thinks that it cannot be adequately investigated.
  • D. She believes that it is contradicted by the competitive exclusion principle.

 

  1. What does the professor imply about the relationship between an organism’s niche and its habitat?
  • A. An organism’s niche is exactly the same as its habitat.
  • B. An organism’s niche is only partly defined by its habitat.
  • C. An organism’s habitat is almost always more complex than its niche.
  • D. An organism can change its habitat but cannot change its niche.

 

  1. Why does the professor says this: 🎧
  • A. To encourage other students to participate in the discussion.
  • B. To correct an error in the student’s statement.
  • C. To encourage the student to answer more specifically.
  • D. To confirm that the student’s answer is correct.


答案:
C C BD A B D

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