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5 Written questions

5 Matching 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 of
  2. Which of the following must exist in a population before natural selection can act upon that population?
  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. In evolutionary terms, the more closely related two different organisms are, the
  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 c. Female algae eaters may become larger, bearing broods composed of more, and larger, young.
  2. b a. genetic variation among individuals
  3. c c. more recently they shared a common ancestor.
  4. d e. A, B, and C
  5. e b. Lamarckism.

5 Multiple choice questions

  1. c. Lamarck.
  2. b. Populations tend to increase at a faster rate than their food supply.
  3. 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.
  4. e. individuals must adapt to their environment.
  5. e. The interaction of organisms with their environment is important in the evolutionary process.

5 True/False questions

  1. Which of the following events, as described here, is most in agreement with the idea of catastrophism?d. the demise of the dinosaurs, and various other groups, by the impact of a large extraterrestrial body with Earth


  2. 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 ofc. more recently they shared a common ancestor.


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


  4. Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection?a. 2, 4, 1, 3


  5. Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvier's attempt to explain the existence ofb. the fossil record.


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