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5 Written questions

5 Matching questions

  1. 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?
  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 of
  3. Both Darwin's and Lamarck's ideas regarding evolution suggest which of the following?
  4. If the HMS Beagle had completely bypassed the Galapagos Islands, Darwin would have had a much poorer understanding of
  5. A biologist studied a population of squirrels for 15 years. During that time, the population was never fewer than 30 squirrels and never more than 45. Her data showed that over half of the squirrels born did not survive to reproduce, because of competition for food and predation. In a single generation, 90% of the squirrels that were born lived to reproduce, and the population increased to 80. What inferences might you make about this population?
  1. a e. The interaction of organisms with their environment is important in the evolutionary process.
  2. b e. A, B, and C
  3. c c. Lamarck.
  4. d b. the ability of populations to undergo modification as they adapt to a particular environment.
  5. e c. Female algae eaters may become larger, bearing broods composed of more, and larger, young.

5 Multiple choice questions

  1. d. a mechanism for evolution that was supported by evidence.
  2. a. genetic variation among individuals
  3. e. A and B only
  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. b. Populations tend to increase at a faster rate than their food supply.

5 True/False questions

  1. "Improving the intelligence of an adult through education will result in that adult's descendants being born with a greater native intelligence." This statement is an example ofb. Lamarckism.


  2. During a study session about evolution, one of your fellow students remarks, "The giraffe stretched its neck while reaching for higher leaves; its offspring inherited longer necks as a result." Which statement would you use to correct this student's misconception?a. Characteristics acquired during an organism's life are generally not passed on through genes.


  3. Which of the following events, as described here, is most in agreement with the idea of catastrophism?e. individuals must adapt to their environment.


  4. Natural selection is based on all of the following exceptd. a mechanism for evolution that was supported by evidence.


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


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