5 Written questions
5 Matching questions
- 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?
- Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvier's attempt to explain the existence of
- 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?
- Charles Darwin was the first to propose
- Natural selection is based on all of the following except
- a a. Characteristics acquired during an organism's life are generally not passed on through genes.
- b b. the fossil record.
- c c. Female algae eaters may become larger, bearing broods composed of more, and larger, young.
- d d. a mechanism for evolution that was supported by evidence.
- e e. individuals must adapt to their environment.
5 Multiple choice questions
- c. Lamarck.
- c. more recently they shared a common ancestor.
- b. Lamarckism.
- b. the ability of populations to undergo modification as they adapt to a particular environment.
- d. Well-adapted individuals leave more offspring, and thus contribute more to the gene pool, than poorly adapted individuals.
5 True/False questions
Given a population that contains genetic variation, what is the correct sequence of the following events, under the influence of natural selection? → d. Well-adapted individuals leave more offspring, and thus contribute more to the gene pool, than poorly adapted individuals.
Which of the following events, as described here, is most in agreement with the idea of catastrophism? → b. Populations tend to increase at a faster rate than their food supply.
Which of the following statements is not an inference of natural selection? → e. individuals must adapt to their environment.
To observe natural selection's effects on a population, what must be true? → e. individuals must adapt to their environment.
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 of → d. a mechanism for evolution that was supported by evidence.