5 Written questions
5 Matching questions
- 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?
- Natural selection is based on all of the following except
- Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection?
- If the HMS Beagle had completely bypassed the Galapagos Islands, Darwin would have had a much poorer understanding of
- Which of the following represents an idea Darwin took from the writings of Thomas Malthus?
- a b. the ability of populations to undergo modification as they adapt to a particular environment.
- b a. 2, 4, 1, 3
- c b. Populations tend to increase at a faster rate than their food supply.
- d e. A, B, and C
- e e. individuals must adapt to their environment.
5 Multiple choice questions
- c. Lamarck.
- e. A and B only
- d. a mechanism for evolution that was supported by evidence.
- e. The interaction of organisms with their environment is important in the evolutionary process.
- e. biogeography.
5 True/False questions
Which of the following statements is not an inference of natural selection? → b. Populations tend to increase at a faster rate than their food supply.
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.
Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvier's attempt to explain the existence of → e. individuals must adapt to their environment.
During drought years on the Galapagos, small, easily eaten seeds become rare leaving only large, hard-cased seeds that only birds with large beaks can eat. If a drought persists for several years, then what should one expect to result from natural selection? → e. individuals must adapt to their environment.
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