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5 Written questions

5 Matching questions

  1. Natural selection is based on all of the following except
  2. Both Darwin's and Lamarck's ideas regarding evolution suggest which of the following?
  3. In a hypothetical environment, fishes called pike-cichlids are visual predators of algae-eating fish, i.e., they locate their prey by sight. If a population of algae eaters experiences predation pressure from pike-cichlids, which of the following would least likely be observed in the algae-eater population over the course of many generations?
  4. Which of the following represents an idea Darwin took from the writings of Thomas Malthus?
  5. Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection?
  1. a c. Female algae eaters may become larger, bearing broods composed of more, and larger, young.
  2. b b. Populations tend to increase at a faster rate than their food supply.
  3. c a. 2, 4, 1, 3
  4. d e. individuals must adapt to their environment.
  5. e e. The interaction of organisms with their environment is important in the evolutionary process.

5 Multiple choice questions

  1. d. a mechanism for evolution that was supported by evidence.
  2. b. the fossil record.
  3. b. the ability of populations to undergo modification as they adapt to a particular environment.
  4. d. More small-beaked birds dying than the larger-beaked birds. The offspring produced in subsequent generations have a higher percentage of birds with large beaks.
  5. d. the demise of the dinosaurs, and various other groups, by the impact of a large extraterrestrial body with Earth

5 True/False questions

  1. Which statement about natural selection is most correct?d. Well-adapted individuals leave more offspring, and thus contribute more to the gene pool, than poorly adapted individuals.


  2. In the mid-1900s, the Soviet geneticist Lysenko exposed winter wheat plants to ever-colder temperatures, collected their seeds, and then exposed the seedlings to ever-colder temperatures. He repeated his attempts over the course of decades in an attempt to evolve cold-tolerant winter wheat. Lysenko's attempts in this regard were most in agreement with the ideas ofc. more recently they shared a common ancestor.


  3. Darwin had initially expected the living plants of temperate South America to resemble those of temperate Europe, but he was surprised to find that they more closely resembled the plants of tropical South America. The biological explanation for this observation is most properly associated with the field ofe. biogeography.


  4. Which of the following statements is not an inference of natural selection?e. individuals must adapt to their environment.


  5. To observe natural selection's effects on a population, what must be true?e. A and B only


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